Current Electricity The resistance of a conductor varies inversely as Are of cross-section Resistivity Temperature Length Are of cross-section Resistivity Temperature Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Decreases First increases and then decreases Remains constant Increases Decreases First increases and then decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Galvanometer Voltmeter Rheostat Wattmeter Galvanometer Voltmeter Rheostat 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 Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is 10 ohms 15 ohms 55 ohms 5 ohms 10 ohms 15 ohms 55 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP