Current Electricity With rise in temperature the resistance of pure metals Decreases Increases First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 3 Q resistor having 2 A current will dissipate the power of 2 watts 6 watts 8 watts 4 watts 2 watts 6 watts 8 watts 4 watts ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from AC supply only DC supply only Battery supply only All of the listed here AC supply only DC supply only Battery supply only All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will Increase Remain constant Decrease None of these Increase Remain constant Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Ampere-hours Ampere-volts Amperes kWh Ampere-hours Ampere-volts Amperes kWh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power kWh consumed Input power Losses True component of power kWh consumed Input power Losses ANSWER DOWNLOAD EXAMIANS APP
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