Current Electricity A rheostat differs from potentiometer in the respect that it Has higher wattage rating Has lower wattage rating Offers large number of tapping Has large number of turns Has higher wattage rating Has lower wattage rating Offers large number of tapping Has large number of turns ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The example of non-ohmic resistance is Carbon resistance Aluminium wire Copper wire tungsten wire Carbon resistance Aluminium wire Copper wire tungsten wire ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Releigh method Lorentz method Wheastone bridge method Ohm's law method Releigh method Lorentz method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is 1000 Ω 800 Ω 600 Ω 400 Ω 1000 Ω 800 Ω 600 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All good conductors have high Conductance Thermal conductivity Reluctance Resistance Conductance Thermal conductivity Reluctance Resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are usually made from Graphite Silicon carbide Charcoal Nichrome Graphite Silicon carbide Charcoal Nichrome ANSWER DOWNLOAD EXAMIANS APP