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Electric Circuits

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

 11.86 Ω.
 10 Ω.
 25 Ω.
 11.18 Ω.

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Electric Circuits
Electric flux is proportional to

 resistivity of medium.
 potential difference between electrodes.
 rate of change of potential difference.
 rate of change of current.

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Electric Circuits
A p.d. of 300 V is applied across series combination of 3 μF and 9 μF capacitors. The charge on each capacitor is ___________________ μC.

 7.5.
 675.
 3600.
 240.

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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

 0 A.
 4 A.
 1 A.
 2 A.

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 2 A with 50 Ω in parallel.
 2 A with 50 Ω in series.
 none of these.
 0.5 A in parallel with 50 Ω.

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Paper.
  Gold.
  Germanium.
  Rubber.

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MORE MCQ ON Electric Circuits

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