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Electric Circuits

Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 Paper.
 Glass.
 both (B) and (C) above.
 Electrolytic.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in parallel.
 in 4 parallel rows each row having 3 cells in series.
 all 12 in series.
 in 3 parallel rows each row having 4 cells in series.

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Electric Circuits
Bulb in street lighting are connected in

 series parallel.
 series.
 parallel.
 end of end.

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Electric Circuits
KCL works on the principle of which of the following

 law of conservation of charge.
 law of conservation of energy.
None of these
 both.

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  n2R.
  R / n2.
  nR .
  n2 / R.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 3 V.
 15 V.
 1.5 V.
 5 V.

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