Current Electricity In the case of direct current Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude and direction of current changes with time Magnitude of current changes with time ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Increases First increases and then decreases Remains constant Decreases Increases First increases and then decreases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 25 ohm 1000 ohm 200 ohm 10 ohm 25 ohm 1000 ohm 200 ohm 10 ohm 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 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 10 Ω, 15 Ω ANSWER DOWNLOAD EXAMIANS APP