Physics, asked by ramanjotk007, 6 months ago

3. How many times does the polarity of an A.C. supply of frequency 50 Hz change in one second?
50 Hz ਆਕ੍ਰਿਤੀ ਦੀ A.Cਸਪਲਾਈ ਦੀ ਧਰੁਵਤਾ ਇੱਕ ਸੈਕਿੰਡ ਵਿੱਚ ਕਿੰਨੀ ਵਾਰ ਬਦਲਦੀ ਹੈ?
a) 50
b)100
c)25
d)200​

Answers

Answered by parnavmishra6
1

Answer:

c is write answer

Explanation:

twenty five ac contact minimum

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