Current Electricity A copper wire is stretched so that its length is increased by 0.1 % . The change in its resistance is 0.2% 0.4% 0.3% None of the listed here 0.2% 0.4% 0.3% None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A cube of copper The unit length of wire A cube of carbon A column of mercury A cube of copper The unit length of wire A cube of carbon A column of mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 1.5 0.5 1 0.6 1.5 0.5 1 0.6 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 25 ohm 1000 ohm 10 ohm 200 ohm 25 ohm 1000 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line Rest of the two bulbs will not light All three bulbs will light The other two bulbs will light There will be heavy current in the main line ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Very low Any value Low High Very low Any value Low High ANSWER DOWNLOAD EXAMIANS APP
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