Question
Download Solution PDFIf the conductors or the coil remains stationary and the flux linked with it is changed by simply increasing or decreasing the current producing this flux, then this is the case of:
This question was previously asked in
UPRVUNL TG 2 (Electrician) Shift 2 Official Paper (Held on 15 July 2021)
Answer (Detailed Solution Below)
Option 1 : statically induced EMF
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UPRVUNL Technician Electrician - Basic Electricity & its Application
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Detailed Solution
Download Solution PDFProduction of EMF in an electrical machine:
The EMF in an electrical machine can be produced in two ways:
1.) Statically induced EMF:
- When the conductor is stationary and the magnetic field is changed by simply increasing or decreasing the current producing the flux. This is known as the statically induced EMF.
- The EMF induced in the transformer is an example of a statically induced EMF.
2.) Dynamically induced EMF:
- When the conductor is moved in a stationary magnetic field so that the magnetic flux linking with it changes in magnitude, as the conductor is subjected to a changing magnetic, therefore an EMF will be induced in it.
- The EMF induced in this way is known as dynamically induced EMF.
- The EMF induced in a generator or motor are example of a dynamically induced EMF.
Last updated on Apr 18, 2023
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