Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C mhos/ohm°C mhos/°C ohms/°C ohms/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electric filament bulb can be worked from All of the listed here Battery supply only AC supply only DC supply only All of the listed here Battery supply only AC supply only DC supply only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Remains constant Increases Decreases First increases and then decreases Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest current The lowest resistance has the highest voltage drop The highest resistance has the highest voltage drop The highest resistance has the most of the current through it The lowest resistance has the highest current The lowest resistance has the highest voltage drop ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Has higher wattage rating 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 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the efficiency of a machine is to be high, what should be low? Losses True component of power Input power kWh consumed Losses True component of power Input power kWh consumed ANSWER DOWNLOAD EXAMIANS APP
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