Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 9 Ω 12.1 Ω 10 Ω 11 Ω 9 Ω 12.1 Ω 10 Ω 11 Ω 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 should be increased Length of heating element has no effect on heating if water None of these Length of heating element should be decreased Length of heating element should be increased Length of heating element has no effect on heating if water None of these Length of heating element should be decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Voltage Power Energy Resistance Voltage Power Energy Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Inductor Resistor Capacitor Reactor Inductor Resistor Capacitor Reactor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Wheastone bridge method Ohm's law method Releigh method Lorentz method Wheastone bridge method Ohm's law method Releigh method Lorentz method ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS