Current Electricity If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm 0.8 ohm 0.6 ohm 1.0 ohm 0.4 ohm ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is 0.6 0.5 1 1.5 0.6 0.5 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Inductors Conductors Semi-conductors Insulators Inductors Conductors Semi-conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Temperature of material is increased None of these Number of free electrons available becomes more Temperature of material is decreased Temperature of material is increased None of these Number of free electrons available becomes more Temperature of material is decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When one lag of parallel circuit is opened out the total current will Increases None of the listed here Become zero Decreases Increases None of the listed here Become zero Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS