Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Decrease Increase None of these Remain constant Decrease Increase None of these Remain constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Porcelain Manganin Carbon Copper Porcelain Manganin Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a parallel circuit consisting of two branches is 12 ohms. If the resistance of one branch is 18 ohms, what is the resistance of the other? 64 Q 18 Q 48 Q 36 Q 64 Q 18 Q 48 Q 36 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative Zero Positive None of the listed here Negative Zero Positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Electrons Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions Atoms ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Increases None of these Decreases Remains same Increases None of these Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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