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Electric Circuits

Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 14.14 mA.
 0.707 mA.
 28.28 mA.
 7.07 mA.

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 50 % - 100 %.
 50 %.
 100 %.
 less than 50 %.

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

 0.75A, 5/6 Ohm
 0.75 A, 1.5 Ohm
 1A, 1.5 Ohm
 1A, 5/6 Ohm

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 3 A.
 1 A.
 2 A.
 4 A.

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Electric Circuits
In the figure, the potential difference between points P and Q is

 10 V.
 - 6 V.
 12 V.
 6 V.

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 400 Ω.
 4 Ω.
 800 Ω.
  40 Ω.

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MORE MCQ ON Electric Circuits

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