Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 150 V 100 V 50 V 200 V 150 V 100 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Copper Porcelain Carbon Manganin Copper Porcelain Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Nucleus Atoms Electrons Electrons and ions Nucleus Atoms Electrons Electrons and ions 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? 48 Q 64 Q 36 Q 18 Q 48 Q 64 Q 36 Q 18 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. Negative Almost zero Positive None of the listed here Negative Almost zero Positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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