Current Electricity Which of the following is the best conductor of electricity? Silver Copper Gold Zinc Silver Copper Gold Zinc ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Ohm's law is not applicable to Circuits with low current densities High voltage circuits Carbon resistors Vaccum tubes Circuits with low current densities High voltage circuits Carbon resistors Vaccum tubes ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy nearly 3 x 108 m/s independent of current strength of the order of a few ^.s/m the same as propagation velocity of electric energy ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Is excited Becomes insensitive to pain Begins to laugh Begins to weep Is excited Becomes insensitive to pain Begins to laugh Begins to weep ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if None of these Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased None of these Temperature of material is decreased Number of free electrons available becomes more Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The substances which have a large number of free electrons and offer a low resistance are called Insulators Inductors Conductors Semi-conductors Insulators Inductors Conductors Semi-conductors ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS