1000+ Magnetism & Electromagnetism MCQ Questions & Answers - 2

Question: 6

Unit for quantity of electricity is

(A) ampere-hour

(B) coulomb

(C) joule

(D) watt

Question: 7

A permanent magnet

(A) attracts ferromagnetic substances and repels all others

(B) attracts only ferromagnetic substances

(C) attracts all paramagnetic substances and repels other

(D) attracts some substances and repels others

Question: 8

The magneto-motive force is

(A) the passage of magnetic field through an exciting coil

(B) the sum of all currents embraced by one line of magnetic field

(C) the flow of an electric current

(D) the voltage across the two ends of exciting coil

Question: 9

Which of the following materials are diamagnetic?

(A) iron

(B) silver and copper

(C) copper

(D) silver

Question: 10

Tesla is a unit of

(A) field strength

(B) magnetic flux density

(C) inductance

(D) flux