Academictask provides MCQs of Physics from Basic to Advance, so that you can prepare accordingly. Physics Mcqs section is useful for both students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test, other competitive and entry test preparations. Here you will find physics MCQs and answers with detailed explanations. MCQs of Physics include basic physics MCQs, Measurements MCQs, Vectors And Equilibrium MCQs, Work and Energy MCQs, Motion and Force MCQs, Circular Motion MCQs, Fluid Dynamics MCQs, Waves MCQs, Heat and Thermodynamics MCQs, Current Electricity MCQs, Electrostatics MCQs, Electromagnetism MCQs, Electromagnetic Induction MCQs, Alternating Current MCQs, Nuclear Physics MCQs, etc.

121. 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

122. An electric iron is marked 20 volts 500W. The units consumed by it in using if for 24 hours will be______________?

A. 12
B. 24
C. 5
D. 1100

123. 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

124. The graphical representation of Ohms law is___________________?

A. hyperbola
B. ellipse
C. parabola
D. straight line

125. 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

126. Electrical energy is measured in___________________?

A. watt
B. horse power
C. kilo watt
D. kilowatt hour

127. Electrical energy is converted to heat at the rate of___________________?

A. IRt
B. I2R
C. I2Rt
D. VIt

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

A. high power
B. high voltage
C. high current
D. over heating

129. Which one of the following bulbs has the least resistance ?

A. 100 watt
B. 200 watt
C. 300 watt
D. 60 watt

130. Optical active crystals rotates the __________________?

A. vibrating plane
B. polarization plane
C. diffraction plane
D. interference plane

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