The current produced in a generator armature is AC because

the magnetic field reverses at intervals

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The current in the field coils is AC

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the rotation of the armature causes the field through it to reverse

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the commutator feeds current into it in opposite directions every half cycle

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Solution

The correct option is C the rotation of the armature causes the field through it to reverse
After every half rotation, the direction of e.m.f reverses and hence current changes its direction after a regular interval.
Hence, Answer-(C)

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Similar questions

The armature in an AC generator is turned alternatively due to the current and magnetic field opposing each other but the generator is used to produce electricity by induction so how does it changes direction if no electricity is available in the conductor is the armature turned in an alternative manner manually

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Q. An AC generator is connected to an electric appliance. In 10 revolutions of the armature, how many times the current in the appliance changes its direction?

Q. State the rule to determine the direction of a
(a) magnetic field produced around a straight conductor-carrying current,
(b) force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it, and
(c) current induced in a coil due to its rotation in a magnetic field

In power generators, three armature coils are arranged around the field magnet at an angular separation of ____

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The current produced in a generator armature is AC because

The correct option is C the rotation of the armature causes the field through it to reverseAfter every half rotation, the direction of e.m.f reverses and hence current changes its direction after a regular interval.Hence, Answer-(C)

The correct option is C the rotation of the armature causes the field through it to reverse
After every half rotation, the direction of e.m.f reverses and hence current changes its direction after a regular interval.
Hence, Answer-(C)