Electromagnetic Induction - Result Question 19
19. The variation of EMF with time for four types of generators are shown in the figures. Which amongst them can be called AC?
[NEET Odisha 2019]
(a)
(b)
(c)
(d)
(a) Only(a)
(b) (a) and (d)
(c) (a), (b), (c), (d)
(d) (a) and (b)
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Answer:
Correct Answer: 19. (c)
Solution:
- (c) A current which changes its direction periodically is called alternating current.
