Current Electricity If the efficiency of a machine is to be high, what should be low? True component of power Losses kWh consumed Input power True component of power Losses kWh consumed Input power 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 9 times 1/3 times 3 times 1/9 times 9 times 1/3 times 3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Remains same Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 2 : 5 4 : 25 5 : 2 25 : 4 2 : 5 4 : 25 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A wire having very high value of conductance is said to be Moderately good conductor Insulator None of the listed here Very good conductor Moderately good conductor Insulator None of the listed here Very good conductor ANSWER DOWNLOAD EXAMIANS APP
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