Current Electricity Which of the following is the best material for making connecting wires? Constant Copper Nichrome Manganin Constant Copper Nichrome Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Increases circuit resistance Decrease circuit resistance None of the listed here Maintains potential difference Increases circuit resistance Decrease circuit resistance None of the listed here Maintains potential difference ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is None of the listed here Zero Negative Positive None of the listed here Zero Negative Positive 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 The resistance of a conductor varies inversely as Are of cross-section Length Resistivity Temperature Are of cross-section Length Resistivity Temperature 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