Electricity & Magnetism MCQs with Answers

If the streams of protons move parallel to each other in the same direction, then they?

• A.Attract each other
• B.Repel each other
• C.Neither attract nor repel
• D.Cancel each other's charge

Two batteries having unequal EMF ?

• A.Can be connected only in series
• B.Can be connected only in parallel
• C.Can be connected in both series and parallel
• D.Cannot be connected at all

Ohm's law is not applicable to ?

• A.Copper conductors
• B.Semiconductors
• C.Aluminum conductors
• D.Silver conductors

Past Paper MCQ

Who gave the law of magnetic induction?

• A.Michael Faraday
• B.James Clerk Maxwell
• C.Heinrich Lenz
• D.Nikola Tesla

Lightning is caused when _?

• A.Opposite charges in different clouds break down the resistance offered by the intervening air
• B.Similar charges in the same cloud repel each other and release energy
• C.Water droplets in clouds collide and produce heat energy
• D.The Earth's magnetic field interacts with charged particles in the atmosphere

EMF is the abbreviation of ?

• A.Electromotive force
• B.Electromagnetic frequency
• C.Electromechanical force
• D.Electrostatic field

If 2J of work is done in moving two coulombs of charge from one point to the other in an electric field. The potential difference between the points is ?

• A.1 J/C
• B.2 J/C
• C.4 J/C
• D.0.5 J/C

Why is mica used in an electric iron?

• A.It is a good conductor of electricity
• B.It is a bad conductor of electricity
• C.It is a good conductor of heat
• D.It is highly magnetic

The is the basis of relays and motors and generators.

• A.Chemical effect
• B.Heating effect
• C.Magnetic effect
• D.Luminous effect

Branch of physics which deals with the charges at rest is called?

• A.Electrostatic
• B.Electrodynamics
• C.Magnetostatics
• D.Quantum mechanics