Current Electricity A closed switch has a resistance of About 500 ohms About 50 ohms Zero Infinity About 500 ohms About 50 ohms Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same Decreases 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 Decreases Remains same Heater will burn out Increases Decreases Remains same Heater will burn out Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in None of the listed here Ω-m m/Ω Ω/m None of the listed here Ω-m m/Ω Ω/m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Semi-conductors Small resistors Dc circuits High currents Semi-conductors Small resistors Dc circuits High currents ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Carbon Tungsten Cast iron Copper Carbon Tungsten Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
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