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Electric Circuits

Electric Circuits
The electrical resistance of human body is around

  250 ohms.
  5 ohms.
  25 ohms.
  1000 ohms.

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t) u (t-T).
 f (t-T) u (t).
 f (t-T) u (t-T).
 f (t) u (t).

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Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  zero.
  8.85 A.
  5 A.
  50 A.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Over damping
 Undamping
 Critical damping
 Under damping

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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

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

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 -27.4 V.
 None of them
 -28.4 V.
 34.4 V.

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