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Electrical Engineering Mcqs

An electric field can deflect_______________?

  • (A)  Neutrons
  • (B)  X-rays
  • (C)  Both glass rod and silk acquire a negative charge
  • (D)  None
Submitted By :Ali Uppal

Electric flux linked with a surface will be maximum when____________?

  • (A)  The surface is held parallel to the electric field
  • (B)  The surface is held perpendicular to the electric field
  • (C)  The surface makes an angle of 45°with the field
  • (D)  All of the above
Submitted By :Ali Uppal

The electric lines of force are____________?

  • (A)  imaginary
  • (B)  physically existing every where
  • (C)  physically existing near the charges
  • (D)  depends upon case
Submitted By :Ali Uppal

If free space between the plates of a capacitor is replaced by a dielectric_____________?

  • (A)  The potential difference remains constant capacittance and energy stored increases
  • (B)  The potential difference remains constant capacittance decreases and energy increases
  • (C)  The potential difference decreases but both capacitance and energy increase
  • (D)  both potential difference and capacitance decrease but energy increases
Submitted By :Ali Uppal

Submitted By :Ali Uppal

Potential difference is the work done in moving unit positive charge form one point to another________________?

  • (A)  in the direction of electric intensity
  • (B)  against electric intensity
  • (C)  in any direction
  • (D)  in the direction of electric flux
Submitted By :Ali Uppal

The value of the capacitance depends upon the________________?

  • (A)  voltage applied
  • (B)  thickness of the capacitor plates
  • (C)  geometry of the capacitor
  • (D)  dinsity of the capacitor plates
Submitted By :Ali Uppal

1 Coulomb = ___________ e.

  • (A)  6×10-19
  • (B)  6.25×1018
  • (C)  1.6×1019
  • (D)  6.25×10-18
Submitted By :Ali Uppal

A turbine is tripped when ?

  • (A)  inlet pressure increase
  • (B)  speed shoots up
  • (C)  exhaust gets choked
  • (D)  steam flow gets clogged
Submitted By :Ali Uppal

Which instrument is used to measure the power of electric circuit ?

  • (A)   Wavemeter
  • (B)  Viscometer
  • (C)   Wattmeter
  • (D)  None of these
Submitted By :Ali Uppal

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