Current Electricity Sparking occurs when a load is switched off because the circuit has high Resistance Inductance Capacitance Impedance Resistance Inductance Capacitance Impedance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Copper Silver Constantan Carbon Copper Silver Constantan ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule second Five joules One joule One watt One joule second Five joules One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit 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 Decrease circuit resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Offers large number of tapping Has higher wattage rating Has large number of turns Has lower wattage rating Offers large number of tapping Has higher wattage rating Has large number of turns ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant First increases and then decreases Increases Decreases Remains constant First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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