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Electric Circuits

Electric Circuits
What is the SI unit of electric current ?

None of these
 Faraday.
 Ohm.
 Ampere.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 10000 ohms, 10 W.
 5000 ohms, 100W.
 10 ohm, 50 W.
 1000000 ohms, 1 W.

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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
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?

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

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Electric Circuits
Container of a lead acid battery

 any of above.
 molded hard rubber.
 ceramics.
 celluloid.

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Electric Circuits
Ampere second is the unit of

 power.
 conductance.
 charge.
 energy.

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MORE MCQ ON Electric Circuits

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