Current Electricity The resistance of a straight conductor is independent of Shape of cross-section Material Temperature Cross-sectional area Shape of cross-section Material Temperature Cross-sectional area ANSWER DOWNLOAD EXAMIANS APP
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 Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant First increases and then decreases Decreases Increases Remains constant First increases and then decreases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A resistance having rating 10 ohms , 10 W is likely to be a Carbon resistor Wire wound resistor Metallic resistor Variable resistor Carbon resistor Wire wound resistor Metallic resistor Variable resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One joule One joule second One watt Five joules One joule One joule second One watt Five joules ANSWER DOWNLOAD EXAMIANS APP