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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 105.
 10 - 6.
 10 - 4.
 107.

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Electric Circuits
A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0?

 20 Watts.
 40 Watts.
 15 Watts.
 10 Watts.

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Electric Circuits
Which of following is not a vector?

 Linear momentum.
 Angular momentum.
 Electric field.
 Electric potential.

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Electric Circuits
Internal resistance of ideal current source is

 infinite
 zero
 100 ohms
 finite

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Electric Circuits
What will be the rms value of rectangular wave with amplitude 10 V?

 10 V.
 7.7 V.
 11.2 V.
 5√2 V.

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 6/8W.
 9/8 W.
 7.5 W.
 1 W.

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MORE MCQ ON Electric Circuits

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