Current Electricity The resistance of a conductor varies inversely as Resistivity Are of cross-section Temperature Length Resistivity Are of cross-section Temperature Length ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Semi-conductors Conductors Inductors Insulators Semi-conductors Conductors Inductors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a lamp load when more than one lamp are switched on the total resistance of the load None of these Increases Remains same Decreases None of these Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be decreased None of these Length of heating element has no effect on heating if water Length of heating element should be increased Length of heating element should be decreased None of these Length of heating element has no effect on heating if water Length of heating element should be increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of mhos/°C ohms/ohm°C ohms/°C mhos/ohm°C mhos/°C ohms/ohm°C ohms/°C mhos/ohm°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances The lowest resistance has the highest voltage drop The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest current The lowest resistance has the highest voltage drop The highest resistance has the most of the current through it The highest resistance has the highest voltage drop The lowest resistance has the highest current ANSWER DOWNLOAD EXAMIANS APP
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