Magnetism & Electromagnetism Quiz Questions with Answers Pdf - 3

Question: 11

Magnetic field inside a current carrying solenoid is

(A) inversely proportional to current

(B) inversely proportional to number of turns

(C) directly proportional to its length

(D) directly proportional to current

Question: 12

A moving electric charge will produce

(A) no field

(B) magnetic field only

(C) electric field only

(D) both electric and magnetic fields

Question: 13

A magnet does not attract

(A) copper

(B) cobalt

(C) nickel

(D) iron

Question: 14

When an iron is placed in a magnetic field

(A) the magnetic lines of force will bend away from their usual paths in order to go away from the piece

(B) the iron piece will break

(C) the magnetic field will not be affected

(D) the magnetic lines of force will bend away from their usual paths in order to pass through the piece

Question: 15

The main constituent of permalloy is

(A) tungsten

(B) nickel

(C) chromium

(D) cobalt