wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The graph given below represents the variations of current produced by an AC generator with the time.


A

True

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

False

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is B

False


An AC generator works on the principle of electromagnetic induction. It is a device which converts mechanical energy into electrical energy. According to the Faraday's law of electromagnetic induction, whenever a conductor moves in a magnetic field, an EMF gets induced across the conductor. If the close path is provided to the conductor, induced emf causes current to flow in the circuit. The coil is connected to slip rings, and the load is connected through brushes resting on the slip rings.

The slip rings will allow the generated current to continuously change its direction. Current in the opposite direction is taken as a negative current. Hence, the value of current will have a continuous change in its sign. That is, the direction of the current changes after half of the time period, that means we get an alternating current. Thus, the given graph doesn't show the variation of current with time. The given statement is false. The graph given below is the correct representation of current produced by an AC generator with time.


flag
Suggest Corrections
thumbs-up
4
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon