General Science
8th Class
Chapter 10
Electricity and Magnetism
Questions
1. Encircle the correct option.
(i) An electric circuit is the path along which
a. electrons revolve around the nucleus of an atom
b. electric charge flows
c. magnetic lines of force move
d. electric motors move
(ii) A closed circuit is the
a. complete path of electric current
b. incomplete path of electric current
c. broken path of electric current
d. none of the above
(iii) Which of the following is non-magnetic substance?
a. Iron b. Steel c. Silver d. Nickel
(iv) Which of the following is a magnetic substance?
a. Glass b. Marble c. Gold d. Cobalt
(v) The best material to be used as a core in the coils for making electromagnet is:
a. rubber b. plastic c. steel d. soft iron
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