Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor An insulator None of the listed here A semiconductor A conductor An insulator None of the listed here A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Mercury Copper Lead Zinc Mercury Copper Lead Zinc 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, 15 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω 20 Ω, 30 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Carbon Porcelain Copper Manganin Carbon Porcelain Copper Manganin ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One joule second Five joules One watt One joule One joule second Five joules One watt One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals 60 W 20 W 40 W 10 W 60 W 20 W 40 W 10 W ANSWER DOWNLOAD EXAMIANS APP
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