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 Remains same Decreases Increases Heater will burn out Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used As current stabilizers For inductive circuits To suppress surges As heating elements As current stabilizers For inductive circuits To suppress surges As heating elements ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The SI unit of power is Watt Henry Watt-hour Coulomb Watt Henry Watt-hour Coulomb ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 400 Ω 800 Ω 600 Ω 1000 Ω 400 Ω 800 Ω 600 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Porcelain Manganin Carbon Copper Porcelain Manganin Carbon ANSWER DOWNLOAD EXAMIANS APP
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