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Electric Circuits

Electric Circuits
What is a resistor?

 Test
 Capacitor
 Hello
 Inductor

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Electric Circuits
In the figure given, the value of R is

 18 Ω.
 10 Ω.
 12 Ω.
 24 Ω.

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Electric Circuits
Internal resistance of ideal voltage source is

 finite
 zero
 100 ohms
 infinite

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Electric Circuits
Power factor can be defined as

 ratio of resistance versus impedance.
 cosine of angle between voltage and current.
 sine of voltage and current.
 both option B and C.

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Electric Circuits
What is called the frequency in AC operation?

 No. of (+) ve quadrature made per second.
 No. of (-) ve quadrature made per second.
 No. of wave made per second.
 No. of cycles made per second.

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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

  8.85 A.
  50 A.
  zero.
  5 A.

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MORE MCQ ON Electric Circuits

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