Current Electricity The resistance of a conductor varies inversely as Length Temperature Are of cross-section Resistivity Length Temperature Are of cross-section Resistivity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Decreases Remains constant Increases First increases and then decreases Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Galvanometer Rheostat Voltmeter Wattmeter Galvanometer Rheostat Voltmeter Wattmeter 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 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 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 5 ohms 55 ohms 15 ohms 10 ohms 5 ohms 55 ohms 15 ohms 10 ohms ANSWER DOWNLOAD EXAMIANS APP