Current Electricity Ohm's law is not applicable to Small resistors High currents Dc circuits Semi-conductors Small resistors High currents Dc circuits Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in m/Ω None of the listed here Ω/m Ω-m m/Ω None of the listed here Ω/m Ω-m 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 Increases Remains same Decreases Heater will burn out Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Decreases Increases None of the listed here Become zero Decreases Increases None of the listed here Become zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? kWh consumed Input power Losses True component of power kWh consumed Input power Losses True component of power ANSWER DOWNLOAD EXAMIANS APP