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Electric Circuits

Electric Circuits
For the circuit shown in the given figure the current I is given by

 4 A.
 1 A.
 2 A.
 3 A.

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Electric Circuits
Find the Z parameters of the circuit shown in figure.

 Z11 = 3; Z12 = 3; Z21 = 3; Z22 = 3
 Z11 = 1; Z12 = 1; Z21 = 1; Z22 = 1
 Z11 = 2; Z12 = 1; Z21 = 1; Z22 = 2
 Z11 = 3; Z12 = 1; Z21 = 1; Z22 = 3

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 1000000 ohms, 1 W.
 5000 ohms, 100W.
 10000 ohms, 10 W.
 10 ohm, 50 W.

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Electric Circuits
Purpose of using capacitor is / are

 effect DC filter in electronic circuit.
 to do phase split in AC 1 phase motor.
 increase p.f of inductive load circuit.
 all of these.

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Electric Circuits
Which of the following is the heaviest?

 Proton.
 Molecule.
 Electron.
 Atom.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 losses and output.
 losses and input.
 output and input.
 losses.

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MORE MCQ ON Electric Circuits

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