Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Copper Manganin Porcelain Carbon Copper Manganin Porcelain Carbon ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Insulators have _______ temperature co-efficient of resistance. Negative Positive None of the listed here Zero Negative Positive None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as Five joules One joule second One joule One watt Five joules One joule second One joule One watt ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Is excited Becomes insensitive to pain Begins to laugh Begins to weep Is excited Becomes insensitive to pain Begins to laugh Begins to weep ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material Supply wiring is covered with insulation layer Current through supply line flows at slower speed Resistance of heater coil is more than the supply wires Supply wires are made of superior material Supply wiring is covered with insulation layer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 10 Ω, 20 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω ANSWER DOWNLOAD EXAMIANS APP
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