CURRENT ELECTRICITY
Electric potential difference and electric current Electric current: Electric potential difference (p. d) is defined as the work done per unit charge in moving charge from one point to another.… Read More »CURRENT ELECTRICITY
ELECTRIC CURRENT
MAGNETIC EFFECT OF AN ELECTRIC CURRENT
Introduction: Oersted’s discovery. Hans Christian Oersted discovered the magnetic effect of a current in 1819. The direction of the field is dependent on the direction of the current. This discovery… Read More »MAGNETIC EFFECT OF AN ELECTRIC CURRENT