Current Electricity Eureka has _______ temperature co-efficient of resistance. Negative Positive None of the listed here Almost zero Negative Positive None of the listed here Almost zero 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 3 times 1/3 times 1/9 times 9 times 3 times 1/3 times ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The insulation on a current carrying conductor is provided 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 None of above factors Both of the listed here 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 25 : 4 4 : 25 5 : 2 2 : 5 25 : 4 4 : 25 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be High Any value Low Very low High Any value Low Very low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Semi-conductors Conductors Insulators Inductors Semi-conductors Conductors Insulators Inductors ANSWER DOWNLOAD EXAMIANS APP
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