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Electric Circuits

Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 2 W.
 - 4 W.
 - 2 W.
 4 W.

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 10 × 10-9 J.
 0.01 J.
 5 × 10-9 J.
 0.05 J.

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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.
 10 ohm, 50 W.
 10000 ohms, 10 W.

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Electric Circuits
When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by

 ω σ/ε.
 σ ω ε.
  σ/ω ε.
 ω ε/σ.

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Electric Circuits
The basic circuit elements are

None of these
 Vs, Is.
 R, L and C.
 both A and B.

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Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 1A
 0A
 10A
 5A

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