Current Electricity Electrical current is due to the flow of Positive charges only Negative charges only Both positive and negative charges Neutral particles only Positive charges only Negative charges only Both positive and negative charges Neutral particles only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Henry Coulomb Watt-hour Watt Henry Coulomb Watt-hour Watt 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? 100 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 40 W lamp will glow brighter 100 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 40 W lamp will glow brighter 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 Which of the following is the best conductor of electricity? Gold Zinc Silver Copper Gold Zinc Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS