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Physics Mcqs

Optical active crystals rotates the __________________?

  • (A)  vibrating plane
  • (B)  polarization plane
  • (C)  diffraction plane
  • (D)  interference plane
Submitted By :Ali Uppal


Which one of the following bulbs has the least resistance ?

  • (A)  100 watt
  • (B)  200 watt
  • (C)  300 watt
  • (D)  60 watt
Submitted By :Ali Uppal


A fuse is placed in series with the circuit to protect against__________________?

  • (A)  high power
  • (B)  high voltage
  • (C)  high current
  • (D)  over heating
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Electrical energy is measured in___________________?

  • (A)  watt
  • (B)  horse power
  • (C)  kilo watt
  • (D)  kilowatt hour
Submitted By :Ali Uppal


The resistance of a conductor at absolute zero (OK) is________________?

  • (A)  zero almost
  • (B)  infinite almost
  • (C)  no prediction at all
  • (D)  may increase or decrease
Submitted By :Ali Uppal


The graphical representation of Ohms law is___________________?

  • (A)  hyperbola
  • (B)  ellipse
  • (C)  parabola
  • (D)  straight line
Submitted By :Ali Uppal


In liquids and gases the current is due to the motion________________?

  • (A)  negative charges
  • (B)  positive charges
  • (C)  both negative and positive charges
  • (D)  neutral particles
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Resistance of a wire on increasing its temperature will_________________?

  • (A)  increase with rise in temperature
  • (B)  decrease with rise in temperature
  • (C)  will remain same
  • (D)  depends upon altitude of experimentation
Submitted By :Ali Uppal