Current Electricity A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will Remains same Increases Decreases Heater will burn out Remains same Increases Decreases Heater will burn out ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will None of the listed here Become zero Increases Decreases None of the listed here Become zero Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Wheastone bridge method Lorentz method Releigh method Ohm's law method Wheastone bridge method Lorentz method Releigh method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has lower wattage rating Has higher wattage rating Has large number of turns Offers large number of tapping Has lower wattage rating Has higher wattage rating Has large number of turns Offers large number of tapping ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Is excited Becomes insensitive to pain Begins to weep Begins to laugh Is excited Becomes insensitive to pain Begins to weep Begins to laugh ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals Remains constant Decreases Increases First increases and then decreases Remains constant Decreases Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP