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Electric Circuits

Electric Circuits
From the given figure find the R3

 25 mili ohm
 25 mega ohm
 25 kilo ohm
 25 ohm

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Electric Circuits
Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is

 pulsating with zero average.
 constant.
 zero.
 pulsating with non zero average.

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Electric Circuits
Disadvantages of constant k type filter

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

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Electric Circuits
In series RLC circuit which of the following represents the Q factor ?

 VR/V
 XL/R
 XC/R
All of these

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 10 W.
  64 W.
 1 W.
 5 W.

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Electric Circuits
Given network is having N nodes and B branches, then number of twigs are

 B - N + 1.
 B - N - 1.
 N - 1.
 N.

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