Question

A student understands that a hammer in an electric bell strikes the gong when the current passing through the circuit turns the coil into an electromagnet. He also observes that when a switch is held on, the hammer repeatedly strikes the gong .What causes the hammer to continue striking.​

Answer 1

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Answer 2

Answer:

The continuous flow of current in the circuit causes the hammer to continue striking.​

Explanation;

When the key is pressed the circuit gets completed and current passes through it causing the electromagnet to get magnetized which in turn attracts the armature. This movement of the armature causes the hammer to strike the gong.

The continuous flow of current in the circuit causes the hammer to continue striking.​