Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high High Low Practically zero Very high High Low Practically zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Specific resistance of a substance is measured in Ω/m Ω-m m/Ω None of the listed here Ω/m Ω-m m/Ω None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance High melting point Low specific resistance High specific resistance Negligibly small temperature co-efficient of resistance High melting point Low specific resistance High specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Joules/sec. Amperes × volts Amperes/volt (Amperes) ohm Joules/sec. Amperes × volts Amperes/volt (Amperes) ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Lorentz method Wheastone bridge method Releigh method Ohm's law method Lorentz method Wheastone bridge method Releigh method Ohm's law method ANSWER DOWNLOAD EXAMIANS APP
Current Electricity For testing appliances, the wattage of test lamp should be Low High Very low Any value Low High Very low Any value ANSWER DOWNLOAD EXAMIANS APP