Current Electricity In which of the following substances the resistance decreases with increase in temperature? Copper Constantan Carbon Silver Copper Constantan Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In a series circuit with unequal resistances 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 voltage drop The lowest resistance has the highest current 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 voltage drop The lowest resistance has the highest current ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Low High Very high Practically zero Low High Very high Practically zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A current of 16 amperes divides between two branches in parallel of resistances 8 ohms and 12 ohms respectively. The current in each branch is 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 4.6 A, 6.9 A 4.6 A, 9.6 A 6.4 A, 9.6 A 6.4 A, 6.9 A 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 Ohm's law is not applicable to Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes Circuits with low current densities Carbon resistors High voltage circuits Vaccum tubes ANSWER DOWNLOAD EXAMIANS APP
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