Current Electricity Ohm's law is not applicable to Semi-conductors Small resistors High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits 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 None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased None of these Length of heating element should be decreased Length of heating element has no effect on heating if water Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient Carbon resistors Insulators Non-linear resistors Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Heater will burn out Remains same Increases Decreases Heater will burn out Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Metallic resistor Carbon resistor Wire wound resistor Variable resistor Metallic resistor Carbon resistor Wire wound resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same None of the listed here Increases Decreases Remains same None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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