Current Electricity A closed switch has a resistance of About 50 ohms Zero About 500 ohms Infinity About 50 ohms Zero About 500 ohms Infinity 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 Increases Heater will burn out Decreases Remains same Increases Heater will burn out Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The thickness of insulation provided on the conductor depends on Both magnitude of voltage and current The magnitude of voltage on the conductor The magnitude of current flowing through it None of the listed here Both magnitude of voltage and current The magnitude of voltage on the conductor The magnitude of current flowing through it None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Constantan Carbon Silver Copper Constantan Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 40 W 20 W 10 W 60 W 40 W 20 W 10 W 60 W ANSWER DOWNLOAD EXAMIANS APP
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