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Electric Circuits

Electric Circuits
In direct arc furnace which of following is of high value?

 Current.
 Voltage.
 All of above.
 Power factor.

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Electric Circuits
In the given figure the value of the source voltage is

 44 V.
 24 V.
 12 V.
 30 V.

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Electric Circuits
Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

 series
  none of them
  both of above
 parallel

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Electric Circuits
The Norton equivalent of a network is given as IN = 4A and RN = 2 Ohm. When this circuit is connected across a 2 Ohm load, the current through the load is

 4 A.
 1 A.
 2 A.
 0 A.

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Electric Circuits
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

 0.625 × 1019
 0.625 × 10 - 19
 1.6 × 1019
 1.6 × 10 - 19

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 two in parallel and one in series.
 three in series.
 two in parallel.
 three in parallel.

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MORE MCQ ON Electric Circuits

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