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Electric Circuits

Electric Circuits
Which law(s) find application in electrolysis?

 Coulombs law.
 Ohms law.
 Gausss law.
 Faradays law.

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current remain unaltered.
 the current decreases abruptly.
 the current decreases.
 the current increases.

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Electric Circuits
Disadvantages of constant k type filter

  characteristic impedance unchanged in pass band.
  none of these.
  attenuation does not increase rapidly beyond cut off frequency.
  both A and B.

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Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 2:3:6.
 2:4:6.
 6:4:2.
 6:3:2.

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Electric Circuits
If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ?

  1 V.
 0.01 V.
 0.1 V .
 None of these.

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Electric Circuits
An equipotential surface is one which has all points at _____________ potential.

 different.
 none of them.
 zero.
 same.

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