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Electric Circuits

Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 0.5 A.
 2 A.
 1.5 A.
 1 A.

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Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Zero
 Lagging
 Leading
 Unity

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 5V
 2V
 9V
 4V

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 34 mH.
 38 mH.
 35 mH.
 30 mH.

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Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 63.7 Ω.
 1.765 Ω.
 0.015 Ω.
 135.86 Ω.

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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 P/3.
 √3P.
 P.
 3P.

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