Question

In the circuit shown in figure, when the circuit is completed, the hammer strikes the gong. Which of the following force is responsible for the movement of hammer?

पर्याय

• Gravitational force alone

• Electrostatic force alone

• Magnetic force alone

• Frictional force alone

Answer 1

Magnetic force alone

Explanation - 

It will be magnetic force because as electric current flows through the coil, it behaves like electromagnet and magnetic force is created.