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Electric Circuits

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

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

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 1 μF.
 0.01 μF.
 0.1 μF.
 0.001 μF.

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Electric Circuits
Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system?

 RYB.
 BYR.
 RBY.
 YBR.

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Electric Circuits
If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ?

 0.1 V .
  1 V.
 None of these.
 0.01 V.

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

 RL, RC, and RLC
 RL
 RC
 RLC

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Electric Circuits
The value of specific gravity of acid when a lead acid battery is fully charged is

 2.9585.
 1.285.
 2.585.
 2.185.

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