Current Electricity Ohm's law is not applicable to Dc circuits Small resistors High currents Semi-conductors Dc circuits Small resistors High currents Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m Ω/m m/Ω None of the listed here Ω-m Ω/m m/Ω None of the listed here 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? Input power True component of power Losses kWh consumed Input power True component of power Losses kWh consumed ANSWER DOWNLOAD EXAMIANS APP
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