When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will :
A
decrease
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B
increase
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C
remain constant
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D
none
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Solution
The correct option is B increase When ressitance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will increases because the resistance of wire decreases due to decrease in length of it.