Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load Decreases Remains same Increases None of these Decreases Remains same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Semi-conductors High currents Small resistors Dc circuits Semi-conductors High currents Small resistors Dc circuits ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Eureka has _______ temperature co-efficient of resistance. None of the listed here Negative Almost zero Positive None of the listed here Negative Almost zero Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 25 ohm 10 ohm 200 ohm 1000 ohm 25 ohm 10 ohm 200 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% 0.4% None of the listed here 0.3% 0.2% 0.4% None of the listed here 0.3% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Resistivity Length Temperature Area of cross-section Resistivity Length Temperature Area of cross-section ANSWER DOWNLOAD EXAMIANS APP
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