Current Electricity Resistance of 220 V, 100 W lamp will be 4.84 Q 484 ft 4840 Q 48.4 Q 4.84 Q 484 ft 4840 Q 48.4 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.3% None of the listed here 0.4% 0.2% 0.3% None of the listed here 0.4% 0.2% ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Losses kWh consumed True component of power Input power Losses kWh consumed True component of power Input power ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Resistance Thermal conductivity Reluctance Conductance Resistance Thermal conductivity Reluctance Conductance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
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