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Electric Circuits

Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 8 W.
 4 W.
 2 W.
 12 W.

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 2 Ohm and 2.5 Ohm.
 1.25 Ohm and 3.25 Ohm.
 1.5 Ohm and 3 Ohm.
 2.2 Ohm and 2.3 Ohm.

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Electric Circuits
In RLC parallel circuit circuit current through inductor is more than current through capacitor. Then what is the power factor of the circuit?

 leading
 unity
 zero
 lagging

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Electric Circuits
The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be

 6 A.
 10 A.
 5 A.
 0 A.

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Electric Circuits
For ideal tank circuit, what is the value of dynamic admittance?

 Both
None of these
 0
 ∞

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

 unity
 lagging
 any of the above
 leading

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MORE MCQ ON Electric Circuits

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