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Electric Circuits

Electric Circuits
A 10Ω resistor is stretched to increase its length double. Its resistance will now be

 20 Ω.
 5 Ω.
 10 Ω.
 40 Ω.

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases?

 VR and I.
 VL and Z.
 VL and VR.
 Z and I.

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 10 Ω.
 0.1 Ω.
 100 Ω.
 1 Ω.

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Electric Circuits
In RLC series circuit, if the voltage across capacitor is greater than voltage across inductor, then power factor of the network is

 lagging.
 zero.
 unity.
 leading.

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Electric Circuits
Two resistor are said to be connected in parallel when

 both have the same potential difference.
 both ‘b’ and ‘c’
 both carry the same value of current.
 total current equals the sum of branch currents.

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Electric Circuits
Ampere second is the unit of

 charge.
 conductance.
 power.
 energy.

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MORE MCQ ON Electric Circuits

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