(i) Write down the difference between direct current and alternating current (ii) What is the frequency of AC in India? (iii) What is the advantage of AC over DC? (iv) Name any two safety device used in domestic circuit
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direct current have a straight path but alternating current have osolating path. 50 hz is the frequency in India. ac provide high peak value of current and can't blocked by capicator. cotted wire and switch are used as safety.
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