Current Electricity A closed switch has a resistance of Zero About 50 ohms About 500 ohms Infinity Zero About 50 ohms About 500 ohms Infinity ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of human body is about 200 ohm 10 ohm 25 ohm 1000 ohm 200 ohm 10 ohm 25 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω-m Ω/m m/Ω None of the listed here Ω-m Ω/m m/Ω None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric current is a Scalar quantity Number only Vector quantity Sometimes scalar and sometimes vector Scalar quantity Number only Vector quantity Sometimes scalar and sometimes vector ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a straight conductor is independent of Material Temperature Shape of cross-section Cross-sectional area Material Temperature Shape of cross-section Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The flow of current in solids is due to Atoms Electrons Nucleus Electrons and ions Atoms Electrons Nucleus Electrons and ions ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS