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Electric Circuits

Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y12 = Y22.
 Y12 = Y21.
 Y11 = Y22.
 Y11 = Y12.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 63.68 Ω.
 7.96 Ω.
 15.92 Ω.
 31.84 Ω.

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Electric Circuits
The ratio of intensity of magnetisation to the magnetising force is known as

 flux density.
 relative permeability.
 susceptibility.
 none of above.

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Electric Circuits
Advantage of active filter is

  derive high impedance load.
  do not offer gain.
  easy to tune.
  both of above.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 more than 10000 volts.
 200 to 1600 volts.
 20 to 60 volts.
 2000 to 3000 volts.

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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

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

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