Step 1: Understanding the Concept:
The frequency of alternating current (AC) is standardized differently in different countries:
India: 50 Hz
USA and some other countries: 60 Hz
Step 2: Detailed Explanation:
In India, power stations produce alternating current with a frequency of 50 cycles per second (50 Hz). This ensures synchronization of appliances and grids across the country.
Step 3: Final Answer:
The AC frequency in India is 50 Hz.