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Electric Circuits

Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 5.77.
 1.92.
 4.71.
 2.36.

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

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

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Electric Circuits
Super mesh analysis is used in case of

 either 1 or 2.
 current source branch is common for two meshes.
 ideal voltage source is connected between two non reference nodes.
 both.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 1000 N.
 100 N.
 10000 N.
 10 N.

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Electric Circuits
Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be

 160 N
 100 N
 0.02 N
 400 N

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Electric Circuits
What is represented by the hypotenuse of impedance triangle?

 Resistance drop.
 Reactance drop.
 Apparent power.
 Impedance drop.

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