Network Theory interview questions

1. A.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
2. B.transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one
3. C.any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
4. D.response in a linear circuit with several independent sources equals the sum of responses with each source acting alone and the others replaced by their internal impedances

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1. A.RC time constant
2. B.Kirchhoff's current law
3. C.Reciprocity theorem
4. D.Duality in networks

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1. A.Kirchhoff's current law — in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
2. B.Kirchhoff's current law — any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
3. C.Kirchhoff's current law — transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one
4. D.Kirchhoff's current law — algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction

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1. A.sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
2. B.in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
3. C.any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
4. D.response in a linear circuit with several independent sources equals the sum of responses with each source acting alone and the others replaced by their internal impedances

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1. A.Thevenin's theorem
2. B.Reciprocity theorem
3. C.Kirchhoff's current law
4. D.RC time constant

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1. A.Thevenin's theorem — in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
2. B.Thevenin's theorem — response in a linear circuit with several independent sources equals the sum of responses with each source acting alone and the others replaced by their internal impedances
3. C.Thevenin's theorem — any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
4. D.Thevenin's theorem — product R·C, the time for a charging capacitor to reach 63.2% of its final voltage, with the circuit treated as settled after about five such intervals

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1. A.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
2. B.sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
3. C.correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
4. D.a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%

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1. A.RC time constant
2. B.Kirchhoff's current law
3. C.Tellegen's theorem
4. D.Maximum power transfer theorem

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1. A.Maximum power transfer theorem — sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
2. B.Maximum power transfer theorem — a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%
3. C.Maximum power transfer theorem — any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
4. D.Maximum power transfer theorem — algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction

Answer + AI explanation with Pro

1. A.response in a linear circuit with several independent sources equals the sum of responses with each source acting alone and the others replaced by their internal impedances
2. B.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
3. C.correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
4. D.sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types

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1. A.RC time constant
2. B.Superposition theorem
3. C.Thevenin's theorem
4. D.Tellegen's theorem

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1. A.Superposition theorem — any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
2. B.Superposition theorem — response in a linear circuit with several independent sources equals the sum of responses with each source acting alone and the others replaced by their internal impedances
3. C.Superposition theorem — in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
4. D.Superposition theorem — a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%

Answer + AI explanation with Pro

1. A.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
2. B.a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%
3. C.sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
4. D.in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged

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1. A.Duality in networks
2. B.Reciprocity theorem
3. C.Kirchhoff's current law
4. D.Superposition theorem

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1. A.Reciprocity theorem — correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
2. B.Reciprocity theorem — transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one
3. C.Reciprocity theorem — in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
4. D.Reciprocity theorem — sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types

Answer + AI explanation with Pro

1. A.a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%
2. B.correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
3. C.transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one
4. D.product R·C, the time for a charging capacitor to reach 63.2% of its final voltage, with the circuit treated as settled after about five such intervals

Answer + AI explanation with Pro

1. A.RC time constant
2. B.Duality in networks
3. C.Thevenin's theorem
4. D.Superposition theorem

Answer + AI explanation with Pro

1. A.RC time constant — a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%
2. B.RC time constant — transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one
3. C.RC time constant — any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
4. D.RC time constant — product R·C, the time for a charging capacitor to reach 63.2% of its final voltage, with the circuit treated as settled after about five such intervals

Answer + AI explanation with Pro

1. A.in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
2. B.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
3. C.sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
4. D.transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one

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1. A.Superposition theorem
2. B.Maximum power transfer theorem
3. C.ABCD parameters
4. D.Reciprocity theorem

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1. A.ABCD parameters — transmission parameters relating sending-end voltage and current to receiving-end values, with AD − BC = 1 for a reciprocal network and A = D for a symmetrical one
2. B.ABCD parameters — a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%
3. C.ABCD parameters — correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
4. D.ABCD parameters — algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction

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1. A.response in a linear circuit with several independent sources equals the sum of responses with each source acting alone and the others replaced by their internal impedances
2. B.any linear two-terminal network is replaceable by one voltage source in series with the resistance seen with all sources deactivated
3. C.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
4. D.sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types

Answer + AI explanation with Pro

1. A.Reciprocity theorem
2. B.Tellegen's theorem
3. C.Kirchhoff's current law
4. D.Thevenin's theorem

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1. A.Tellegen's theorem — in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged
2. B.Tellegen's theorem — algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
3. C.Tellegen's theorem — sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
4. D.Tellegen's theorem — product R·C, the time for a charging capacitor to reach 63.2% of its final voltage, with the circuit treated as settled after about five such intervals

Answer + AI explanation with Pro

1. A.a resistive load draws the most power when it equals the source resistance, at which point efficiency is only 50%
2. B.algebraic sum of currents meeting at any node is zero because charge cannot accumulate at a junction
3. C.correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
4. D.product R·C, the time for a charging capacitor to reach 63.2% of its final voltage, with the circuit treated as settled after about five such intervals

Answer + AI explanation with Pro

1. A.Tellegen's theorem
2. B.Kirchhoff's current law
3. C.Duality in networks
4. D.Thevenin's theorem

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1. A.Duality in networks — sum of the products of branch voltages and branch currents over all branches is zero for any network satisfying Kirchhoff's laws, whatever the element types
2. B.Duality in networks — product R·C, the time for a charging capacitor to reach 63.2% of its final voltage, with the circuit treated as settled after about five such intervals
3. C.Duality in networks — correspondence in which series maps to parallel, R to G, L to C and KVL to KCL, so mesh equations of one circuit are the node equations of its dual
4. D.Duality in networks — in a linear passive bilateral network the ratio of response to excitation is unchanged when the positions of source and measuring point are interchanged

Answer + AI explanation with Pro