Current Electricity The current in the circuit having constant resistance is tripled. The power increases 9 times 1/9 times 3 times 1/3 times 9 times 1/9 times 3 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Positive Negative Zero None of the listed here Positive Negative Zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C ohms/°C mhos/°C mhos/ohm°C ohms/ohm°C ohms/°C mhos/°C mhos/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased Length of heating element has no effect on heating if water Length of heating element should be decreased None of these Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Variable resistor Carbon resistor Wire wound resistor Metallic resistor Variable resistor Carbon resistor Wire wound resistor Metallic resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Sparking occurs when a load is switched off because the circuit has high Resistance Impedance Inductance Capacitance Resistance Impedance Inductance Capacitance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS