24) Circuit breaker is a device which works on the principle of
a) induction
b) conduction
c) Electromagnet
d) electrostatic
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2
Answer:
Conduction is the answer
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1
Answer:
Working Principle of Circuit Breakers
Under normal conditions – closedcircuit – these contacts are touching each other, allowing the flow of electric current. These moving contacts are held together thanks to mechanical pressure exerted by another mechanism – a spring or compressed air, for example.
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