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.

111. All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?

A. same current
B. same current and potential difference
C. different current but same potential difference
D. different current and potential differences

112. Resistance of a conductor depends upon_________________?

A. nature of conductor
B. dimension of conductor
C. physical state of the conductor
D. all of above

113. A wire of uniform area of cross-section A length L and resistance R is cut into two parts. Resistivity of each part _________________?

A. remains the same
B. is doubled
C. is halved
D. becomes zero

114. When same current passes for same time through a thick and thin wire_________________?

A. more heat is produced in thick wire
B. more heat is produced in thin wire
C. no heat is produced in wire
D. less heat is produced in thick wire

115. One kilowatt hour is the amount of energy delivered during _______________?

A. one second
B. one day
C. one minute
D. one hour

116. Resistance of a super conductor is ______________________?

A. finite
B. infinite
C. zero
D. changes with every conductor

117. Which one is the best material for making connecting wires ?

A. iron
B. tungsten
C. silver
D. copper

118. Internal resistance is the resistance offered by________________?

A. source of EMF
B. conductor
C. resistor
D. capacitor

119. Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains ?

A. 40 W bulb
B. 60 W blub
C. 100 W blub
D. all will burn equally brightly

120. How much heat does a 40 W bulb generates in one hour ?

A. 144000J
B. 144J
C. 1.44J
D. 14J