Question

State one main difference between AC and DC why AC is perfect over DC from long range of electric power name one exercise of DC and ac

Answer 1

Both AC and DC describe types of current flow in a circuit. In direct current (DC), the electric charge (current) only flows in one direction. ... The voltage in AC circuits also periodically reverses because the current changes direction.It is easy to maintain and change the voltage of AC electricity for transmission and distribution. Plant cost for AC transmission (circuit breakers, transformers etc.) is much lower than the equivalent DC transmission. From power stations, AC is produced so it is better to use AC than DC instead of converting it.Electrical current is the flow of charged particles, or specifically in the case of AC and DC, the flow of electrons. According to Karl K. Berggren, professor of electrical engineering at MIT, the fundamental difference between AC and DC is the direction of flow. DC is constant and moves in one direction.