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Electric Circuits

Electric Circuits
A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be

 2 W.
 1 W.
None of these
 0.5 W.

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Electric Circuits
In which of the following networks it is not possible to find the transient free response?

 RC
 RLC
 RL
 RL, RC, and RLC

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75 V, 1.5 Ohm
 1.5V, 1.5 Ohm
 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

 0.25.
 4.
  0.5.
  2.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 5.77.
 2.36.
 1.92.
 4.71.

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Electric Circuits
The basic circuit elements are

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

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