Question

18.
Which of the following are the possible ways to increase
EMF produced by a simple
.A.C. generator?
(i) Increasing the rotating speed of the coils
(ii) Placing a soft iron core in the coil
(iii) Replacing the permanent magnets with another pair of magnets having stronger magnetic field
strength
A) Only (l) and (ii)
B) Only (ii) and (iii)
C) Only (i) and (iii)
D) (i) ,(ii) and(iii)​

Answer 1

Answer:

Explanation:

Option d

Answer 2

Answer:

d

Explanation:

all are possible

we should soft iron

increase electricity

we can replace magnet