Current Electricity The insulation on a current carrying conductor is provided To prevent shock To prevent leakage of current Both of the listed here None of above factors To prevent shock To prevent leakage of current Both of the listed here None of above factors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Length Area of cross-section Resistivity Temperature Length Area of cross-section Resistivity Temperature ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A thermistor has Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient Variable temperature coefficient Positive temperature coefficient Negative temperature coefficient Zero temperature coefficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 2 : 5 4 : 25 25 : 4 5 : 2 2 : 5 4 : 25 25 : 4 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Aluminium wire tungsten wire Carbon resistance Copper wire Aluminium wire tungsten wire Carbon resistance Copper wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Decreases Heater will burn out Remains same Increases Decreases Heater will burn out Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
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