Current Electricity The resistance of conductor varies inversely as Temperature Area of cross-section Resistivity Length Temperature Area of cross-section Resistivity Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Decrease circuit resistance Increases circuit resistance Maintains potential difference None of the listed here Decrease circuit resistance Increases circuit resistance Maintains potential difference None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually An insulator A conductor A semiconductor None of the listed here An insulator A conductor A semiconductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electrical current is due to the flow of Negative charges only Neutral particles only Both positive and negative charges Positive charges only Negative charges only Neutral particles only Both positive and negative charges Positive charges only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here The magnitude of voltage on the conductor Both magnitude of voltage and current The magnitude of current flowing through it None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 100 V 200 V 50 V 150 V 100 V 200 V 50 V ANSWER DOWNLOAD EXAMIANS APP
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