Current Electricity Semiconductors have _______temperature co-efficient of resistance. Zero Negative Positive None of the listed here Zero Negative Positive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 25 ohm 10 ohm 200 ohm 1000 ohm 25 ohm 10 ohm 200 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided None of above factors Both of the listed here To prevent leakage of current To prevent shock None of above factors Both of the listed here To prevent leakage of current To prevent shock ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low Any value Very low High Low Any value Very low High 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 0.6 0.5 1 1.5 0.6 0.5 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove Third electron from the orbit Second electron from the orbit Any electron from the orbit First electron from the orbit Third electron from the orbit Second electron from the orbit Any electron from the orbit First electron from the orbit ANSWER DOWNLOAD EXAMIANS APP