Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 20 W 60 W 40 W 10 W 20 W 60 W 40 W 10 W ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases First increases and then decreases Decreases Remains constant Increases First increases and then decreases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these Temperature of material is increased Number of free electrons available becomes more Temperature of material is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be 1/9 times 1/3 times 9 times 3 times 1/9 times 1/3 times 9 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Energy Strength of current Power Quantity of electricity Energy Strength of current Power Quantity of electricity ANSWER DOWNLOAD EXAMIANS APP
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