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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
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 0.35 mA.
  0.25 mA.
 0.5 mA.
 1 mA.

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 5 W.
 10 W.
 1 W.
  64 W.

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Electric Circuits
Millman theorem yields equivalent

 voltage source.
 both ‘c’ and ‘d’ .
 impedance.
 current source.

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Electric Circuits
The capacity of a cell is measured in

  amperes.
  ampere-hour.
  watt-hours.
  watts.

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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?

 YBR.
 RYB.
 BYR.
 RBY.

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MORE MCQ ON Electric Circuits

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