State any one point of difference in direct current and alternating current. Which current is most commonly produced at power stations in our country?
Answer:
Difference between alternating current and direct current
|
Alternating current |
Direct current |
|
It reverses its direction periodically |
It flows only in one direction. |
|
Can be safely transmitted over long distances. |
Cannot travel very long distances. |
|
Frequency depends on the country. It is usually between 50Hz - 60Hz |
Frequency is zero. |
Alternating current (AC) is commonly produced in power stations across India.
