Current Electricity A rheostat differs from potentiometer in the respect that it Has large number of turns Has lower wattage rating Offers large number of tapping Has higher wattage rating Has large number of turns Has lower wattage rating Offers large number of tapping Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom None of these Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero Equal to the atomic number of the atom None of these Equal to the charge of an electron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of conductor varies inversely as Temperature Area of cross-section Resistivity Length Temperature Area of cross-section Resistivity Length ANSWER DOWNLOAD EXAMIANS APP
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 Heater will burn out Increases Remains same Decreases Heater will burn out Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ampere-hour is the unit of Power Quantity of electricity Strength of current Energy Power Quantity of electricity Strength of current Energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as 4 : 25 5 : 2 2 : 5 25 : 4 4 : 25 5 : 2 2 : 5 25 : 4 ANSWER DOWNLOAD EXAMIANS APP
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