Question

When the hammer strikes the gong of an electric bell, which of the following force is responsible for the movement of hammer?
(a) Gravitational force alone
(b) Magnetic force alone
(c) Electrostatic force alone
(d) Frictional force alone

Answer 1

Answer:

Explanation:

THE ANSWER IS (B)MAGNETIC FORCE ALONE.

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Answer 2

Answer:

Electrostatic force alone