Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 25 : 4 4 : 25 2 : 5 5 : 2 25 : 4 4 : 25 2 : 5 5 : 2 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Resistivity Length Area of cross-section Temperature Resistivity Length Area of cross-section ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Conductance is reciprocal of Inductance Capacitance Resistance Reluctance Inductance Capacitance Resistance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude of current remains constant Magnitude and direction of current changes with time Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.4 ohm 1.0 ohm 0.8 ohm 0.6 ohm 0.4 ohm 1.0 ohm 0.8 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP