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Electric Circuits

Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 10V
 4V
 8V
 16V

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

 4.
 1/4.
 16.
 1.

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Electric Circuits
Transients are presents in the circuit when the circuit is having

 R.
 Either L or C.
 C.
 L.

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Electric Circuits
Silver coating is provided for

  all of above.
  decorative purpose.
  protective purpose.
  bearing surfaces.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 G1 + G2 + G3.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.
 (G1 + G2 + G3) - 1.
 1 / G1 + 1 / G2 + 1 / G3.

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Electric Circuits
At which of the following frequency voltage across capacitor has maximum value for series circuit ?

 Greater than resonance frequency
 Zero frequency
 Equal to resonance frequency
 Less than resonance frequency

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