Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 150 V 200 V 100 V 50 V 150 V 200 V 100 V 50 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Electric pressure is also called Energy Voltage Resistance Power Energy Voltage Resistance Power 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 glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The hot wire of electric bulb's filament is higher than its cold resistance because the temperature co-efficient of filament is Zero Positive Negative None of the listed here Zero Positive Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping Has lower wattage rating Has large number of turns Has higher wattage rating Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Energy Strength of current Quantity of electricity Power Energy Strength of current Quantity of electricity Power ANSWER DOWNLOAD EXAMIANS APP
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