Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here An insulator A conductor A semiconductor None of the listed here An insulator A conductor A semiconductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity SI unit of power is Coulomb Henry Watt Watt-hour Coulomb Henry Watt Watt-hour ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An instrument which detects electric current is known as Wattmeter Rheostat Voltmeter Galvanometer Wattmeter Rheostat Voltmeter Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be 12.1 Ω 11 Ω 9 Ω 10 Ω 12.1 Ω 11 Ω 9 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A rheostat differs from potentiometer in the respect that it Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating Offers large number of tapping Has large number of turns Has lower wattage rating Has higher wattage rating ANSWER DOWNLOAD EXAMIANS APP
Current Electricity All of the following are equivalent to watt except Amperes × volts (Amperes) ohm Joules/sec. Amperes/volt Amperes × volts (Amperes) ohm Joules/sec. Amperes/volt ANSWER DOWNLOAD EXAMIANS APP