Current Electricity The example of non-ohmic resistance is Aluminium wire tungsten wire Carbon resistance Copper wire Aluminium wire tungsten wire Carbon resistance Copper wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 200 V 50 V 100 V 150 V 200 V 50 V 100 V 150 V 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 5 Ω, 10 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 10 Ω, 15 Ω 20 Ω, 30 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant Increases Decreases First increases and then decreases Remains constant Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in None of the listed here m/Ω Ω/m Ω-m None of the listed here m/Ω Ω/m Ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following material has nearly zero temperature co-efficient of resistance? Manganin Porcelain Carbon Copper Manganin Porcelain Carbon Copper ANSWER DOWNLOAD EXAMIANS APP
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