Current Electricity Which of the following materials has the least resistivity ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Any value Low Very low High Any value Low Very low High ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 5 : 2 4 : 25 2 : 5 25 : 4 5 : 2 4 : 25 2 : 5 25 : 4 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 0.6 1 0.5 1.5 0.6 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 6.4 A, 9.6 A 4.6 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 6.4 A, 9.6 A ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of None of the listed here Resistivity Current density Resistance None of the listed here Resistivity Current density Resistance ANSWER DOWNLOAD EXAMIANS APP
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