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Electric Circuits

Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 6 A.
 100 A.
 600 A.
 1 A.

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Electric Circuits
Which quantity consists of a unit 1KWh ?

 Power
 Energy
 Charge
 Time

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Electric Circuits
If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

 50 Hz.
 150 Hz.
 0 Hz.
 100 Hz.

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Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 200 Ohms.
 400 Ohms.
 50 Ohms.
 100 Ohms.

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Electric Circuits
A constant voltage source has

 minimum efficiency.
 minimum current capacity.
 high internal resistance.
 low internal resistance.

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Electric Circuits
In the circuit given below the value of resistance Req is

 10 Ω.
 11.86 Ω.
 11.18 Ω.
 25 Ω.

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MORE MCQ ON Electric Circuits

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