Electricity and Magnetism MCQ question and answer with solution

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Each section contains 100 MCQs on Electricity and Magnetism .

Electric current is the flow of . . . . . . . .

A) Wave B) Electric charges C) Water D) Light

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which one of the following statement is not correct?

A) The SI unit of charge is ampere-second B) Debye is the unit of dipole moment C) Resistivity of a wire of length I and area of cross-section A depends upon both I and A D) The kinetic energy of an electron of mass m kilogram and charge e coulomb, when accelerated through a potential difference of V volt is eV joule

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the SI unit of electrical resistance?

A) Volt B) Ohm C) Mole D) Ampere

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Moving electric charge produces

A) magnetic field B) sound waves C) light rays D) heat waves

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The best conductor of electricity among the following is

A) copper B) iron C) aluminium D) silver

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . is the resistivity of copper.

A) 1.69 × 10^-10 Ωm B) 1.69 × 10^-8 Ωm C) 1.69 × 10⁺⁸ Ωm D) 1.69 × 10^-9 Ωm

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The current flowing through a resistor is inversely proportional to its . . . . . . . .

A) Potential Difference B) Resistance C) Electric charge D) Heat

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The angle between the magnetic meridian and the geo-graphical meridian at a place is

A) dip B) declination C) latitude D) azimuth

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Assertion (A) Bending a wire does not effect electrical resistance.
Reason (R) Resistance wire is proportional to resistivity of materials.

A) Both A and R are true and R is the correct explanation of A B) Both A and R are true, but R is not the correct explanation of A C) A is true, but R is false D) A is false, but R is true

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A device which converts chemical energy into electrical energy is called

A) Battery B) Motor C) Generator D) Moving coil meter

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Electricity and Magnetism MCQ question and answer with solution | Physics Gk MCQs