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Electric Circuits

Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 16.
 1.
 1/4.
 4.

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Electric Circuits
Which of the following substance when added to electrolyte promotes smooth deposition?

 Gelatine.
 Any of above.
 Albumen.
 Glucose.

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Electric Circuits
Which of the following can not be connected in series unless they are identical?

 Voltage source.
 Resistance.
 Current source.
 Both of above.

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Electric Circuits
When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

 mixed.
 in parallel.
 as in series.
 in either series or parallel.

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Electric Circuits
The capacitance of a parallel plate capacitor can be varied by

 changing the overlapping area of the plates only.
All of these
 changing the dielectric medium only.
 changing the distance between the plates only.

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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.

  both of above
 parallel
  none of them
 series

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MORE MCQ ON Electric Circuits

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