Current Electricity Out of the following which is not a poor conductor? Carbon Tungsten Cast iron Copper Carbon Tungsten Cast iron Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 40 W lamp will glow brighter 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 40 W lamp will glow brighter 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two molecules Two atoms Two metal particles Two ions Two molecules Two atoms Two metal particles Two ions ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One commercial unit of energy equals Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour Ten kilowatt-hour One watt-hour One watt-hour One kilowatt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Increases Remains constant Decreases First increases and then decreases Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A closed switch has a resistance of About 50 ohms Infinity Zero About 500 ohms About 50 ohms Infinity Zero About 500 ohms ANSWER DOWNLOAD EXAMIANS APP