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Electric Circuits

Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Current
 Power
 Charge
 Force

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Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 600 A.
 1 A.
 100 A.
 6 A.

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 13.7 Ω.
 11.3 Ω.
 9.6 Ω.
 27.4 Ω.

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Electric Circuits
Bulb in street lighting are connected in

 end of end.
 series.
 series parallel.
 parallel.

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Electric Circuits
The alternative names for active power is/are

All of these
 true power.
 average power.
 real power.

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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?

 BYR.
 YBR.
 RBY.
 RYB.

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MORE MCQ ON Electric Circuits

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