Current Electricity Which of the following materials has the least resistivity ? Zinc Lead Copper Mercury Zinc Lead Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will None of these Decrease Remain constant Increase None of these Decrease Remain constant Increase ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Resistivity Length Area of cross-section Temperature Resistivity Length Area of cross-section Temperature 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 20 Ω, 30 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω 10 Ω, 20 Ω 5 Ω, 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductivity is the reciprocal of None of the listed here Resistivity Resistance Current density None of the listed here Resistivity Resistance Current density ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Out of the following which is not a poor conductor? Carbon Cast iron Tungsten Copper Carbon Cast iron Tungsten Copper ANSWER DOWNLOAD EXAMIANS APP
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