Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Decreases Increases Remains same None of these Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low Low High Any value Very low Low High Any value ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 9 times 3 times 1/9 times 1/3 times 9 times 3 times 1/9 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Shape of cross-section Temperature Cross-sectional area Material Shape of cross-section Temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Decreases Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Inductance Capacitance Resistance Impedance Inductance Capacitance Resistance Impedance ANSWER DOWNLOAD EXAMIANS APP