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Question
What makes and breaks the circuit in an electric bell?
What makes and breaks the circuit in an electric bell?
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Solution
The correct option is B Contact screw
When the striker loses contact with the contact screw, the circuit breaks. When they are in contact, the circuit conducts current. So, the contact screw is responsible for making and breaking of the circuit in an electric bell.
When the striker loses contact with the contact screw, the circuit breaks. When they are in contact, the circuit conducts current. So, the contact screw is responsible for making and breaking of the circuit in an electric bell.
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