1000+ Magnetism & Electromagnetism MCQ Questions & Answers - 3

Question: 11

The magnetic material used in temporary magnets is

(A) soft iron

(B) tungsten steel

(C) cobalt steel

(D) hardened steel

Ans: A

soft iron

Question: 12

Which of the following is more suitable for the core of an electromagnet

(A) tungsten steel

(B) steel

(C) air

(D) soft iron

Ans: D

soft iron

Question: 13

Particles having positive charge occasionally come with high velocity from sky towards the earth. On account of the magnetic field of earth, they would be deflected toward

(A) west

(B) south

(C) east

(D) north

Ans: C

east

Question: 14

A charged particle enters a magnetic field perpendicular to the magnetic lines of force. The path of the particle is

(A) spiral

(B) ellipse

(C) straight line

(D) circular

Ans: D

circular

Question: 15

The magnetic material used in permanent magnet is

(A) hardened steel

(B) nickel

(C) soft steel

(D) iron

Ans: A

hardened steel

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