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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

  Tesla
 Ampere turn
 Weber
 Newton

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Electric Circuits
In the figure given, the value of R is

 10 Ω.
 12 Ω.
 18 Ω.
 24 Ω.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 G1 + G2 + G3.
 (G1 + G2 + G3) - 1.
 1 / G1 + 1 / G2 + 1 / G3.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.

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Electric Circuits
Under resonance condition the power factor of a system is

 any of the above
 leading
 lagging
 unity

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

 1 μsec
 4 msec
 2 msec
 2 μsec

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Electric Circuits
Power factor can be defined as

 ratio of resistance versus impedance.
 sine of voltage and current.
 both option B and C.
 cosine of angle between voltage and current.

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MORE MCQ ON Electric Circuits

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