The variation of EMF with time for four types of generators are shown in the figures. Which amongst them can be called AC ?

Question

The variation of EMF with time for four types of generators are shown in the figures. Which amongst them can be called AC ? (A) (a) and (d) (B) (a), (b), (c) and (d) (C) (a) and (b) (D) only (a)

Tardigrade Admin · Accepted Answer

Changing polarity is termed as AC

Q. The variation of EMF with time for four types of generators are shown in the figures. Which amongst them can be called AC ?

(a) and (d)

(a), (b), (c) and (d)

(a) and (b)

only (a)

Changing polarity is termed as $A C$