Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Manganin Carbon Porcelain Copper Manganin Carbon Porcelain ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases Decreases None of the listed here Become zero Increases Decreases None of the listed here Become zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Lead and zinc Chromium and vanadium Copper and silver Nickel and chromium Lead and zinc Chromium and vanadium Copper and silver Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 11 Ω 10 Ω 9 Ω 12.1 Ω 11 Ω 10 Ω 9 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Wire wound resistor Metallic resistor Variable resistor Carbon resistor Wire wound resistor Metallic resistor Variable resistor Carbon resistor 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 1.5 0.6 0.5 1 1.5 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
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