Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 600 Ω 1000 Ω 800 Ω 400 Ω 600 Ω 1000 Ω 800 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 50 V 100 V 200 V 150 V 50 V 100 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased None of these Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is 66 V 132 V 33 V 80 V 66 V 132 V 33 V 80 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude of current changes with time Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One joule second One watt One joule Five joules One joule second One watt One joule Five joules ANSWER DOWNLOAD EXAMIANS APP
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