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