State any one point of difference in direct current and alternating current. Which current is most commonly produced at power stations in our country?



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.

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo