Current Electricity Voltage dependent resistors are usually made from Graphite Charcoal Silicon carbide Nichrome Graphite Charcoal Silicon carbide Nichrome ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Copper Zinc Lead Mercury Copper Zinc Lead Mercury 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 hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is None of the listed here Zero Negative Positive None of the listed here Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m Ω-m None of the listed here 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
EXAMIANS