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Electric Circuits

Electric Circuits
What is a resistor?

 Test
 Capacitor
 Inductor
 Hello

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is

  39.1 V.
  31.9 V.
 45.5 V.
 50.5 V.

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

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

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 0.707 mA.
 7.07 mA.
 14.14 mA.
 28.28 mA.

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Electric Circuits
Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?

  No.
  Yes.
  Single way switch doesn operate at such current ratings.
  Single way switch doesn exist.

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Electric Circuits
To obtain a high value of capacitance, the permittivity of dielectric medium should be

 zero
 high
 low
 unity

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MORE MCQ ON Electric Circuits

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