Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm 1.0 ohm 0.8 ohm 0.4 ohm 0.6 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω? 100 V 50 V 150 V 200 V 100 V 50 V 150 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two ions Two atoms Two metal particles Two molecules Two ions Two atoms Two metal particles Two molecules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Tungsten Aluminium Nickel Steel Tungsten Aluminium Nickel Steel ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Temperature coefficient of resistance is expressed in terms of ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ohms/ohm°C mhos/ohm°C ohms/°C mhos/°C ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator A semiconductor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS