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The transformer's core is laminated to reduce:

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Important Questions on Electromagnetic Induction

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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Why is the core of a transformer laminated?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Why is the core of a transformer laminated?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
The main cause of transformer noise is _____.
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
What causes the core of a transformer to get heated up under operation ?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
We can minimise the loss of energy in transformer by using wire with large cross-sectional area in the manufacturing of the coils.
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Iron loss an electrical transformer occurs in
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
What is Eddy current loss in a transformer? How it can be reduced.
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
The transformer core is laminated, so that-
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer

Where does the loss of copper take place in an electrical transformer?

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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Explain what are iron and copper losses in a transformer.
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
How do you reduce iron loss in a transformer?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Write one of the cause of energy loss in Transformer.
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
What caused the humming effect in an electrical transformer? How it can be minimised.
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
What is humming loss in transformer?What is the reason of humming sound in transformer?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Assertion : Soft iron is used !as transformer core.
Reason : Soft iron has narrow hysteresis loop. 
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
The source of energy loss in transformer due to iron core is due to the formation _____ (hysteresis/ eddy currents/ flux leakage)
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Does a step up transformer contradict the principle of conservation of energy?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
The main purpose of laminating a transformer core is to reduce its
 
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Which of the following is minimised by laminating the core of an electrical transformer?
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Physics>Electricity and Magnetism>Electromagnetic Induction>Transformer
Statement (A) : Flux leakage in a transformer can be minimised by winding the primary and secondary coils one over the other.
Statement (B) : Core of the transformer is made of soft iron