Current Electricity The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is About 2 ohms per degree Positive Zero Negative About 2 ohms per degree Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Watt Henry Coulomb Watt-hour Watt Henry Coulomb Watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low High Low Any value Very low High Low Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.6 0.5 1 1.5 0.6 0.5 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to weep Becomes insensitive to pain Begins to laugh Is excited Begins to weep Becomes insensitive to pain Begins to laugh Is excited ANSWER DOWNLOAD EXAMIANS APP
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