Which of the following operations can be used to convert an alternative current dynamo into a direct current dynamo
A
number of turns in the coil is increased
B
strength of the field magnet is increased
C
slip rings are replaced with split ring commutator
D
coil is wound on a soft iron armature
Verified Correct Answer: C.
Physical Principles & Numerical Solution
A d.c generator is one in which its current is allowed to flow in one direction even through it may vary in value an a.c generator can only be made to produce a d.c by replacing the two slip rings with a single split ring or commutator.
Source: Myschool Past Questions Archive (Record #46399)