Current Electricity Electric current is a Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only Scalar quantity Vector quantity Sometimes scalar and sometimes vector Number only ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Current velocity through a copper conductor is the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength the same as propagation velocity of electric energy nearly 3 x 108 m/s of the order of a few ^.s/m independent of current strength ANSWER DOWNLOAD EXAMIANS APP
Current Electricity A field of force can exist only between Two metal particles Two ions Two atoms Two molecules Two metal particles Two ions Two atoms Two molecules ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Inductor Reactor Resistor Capacitor Inductor Reactor Resistor Capacitor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Rl None of them Either Rl or Ri Ri Rl None of them Either Rl or Ri Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a material always decreases if Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased Number of free electrons available becomes more None of these Temperature of material is decreased Temperature of material is increased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS