Physics Short Questions “ALTERNATING CURRENT” Notes



Q. 1 Define direct current (D.C) ?

Q. 2 Define alternating current (A.C) ?

Q. 3 Why alternating current keeps on changing its direction with time ?

Q. 4 Define time period of an alternating voltage ?

Q. 5 If ‘T’ is the time period of an AC then find the frequency of an A.C ?

Q. 6 What is the most common source of alternating voltage ?

Q 7 What is meant by electrical inertia ?

Q.8 What do you mean by instantaneous value ?

Q. 9 Define peak value of voltage or current?

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