Understanding Transformer Principles

Understanding Transformer Principles

12th Grade

5 Qs

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Understanding Transformer Principles

Understanding Transformer Principles

Assessment

Quiz

Others

12th Grade

Practice Problem

Hard

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic principle behind the operation of a transformer?

Capacitance storage

The basic principle behind the operation of a transformer is electromagnetic induction.

Mechanical leverage

Thermal conduction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does electromagnetic induction play a role in transformer functionality?

Transformers only work with mechanical energy transfer.

Electromagnetic induction is irrelevant to voltage changes.

Transformers operate solely on direct current.

Electromagnetic induction allows transformers to transfer electrical energy between coils via a changing magnetic field, enabling voltage transformation.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the primary components of a transformer and their functions?

Transformer core, electrical circuit, and switch

Input winding, output winding, and casing

The primary components of a transformer are the primary winding, secondary winding, and core.

Primary coil, secondary coil, and insulator

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the relationship between primary and secondary coils in a transformer.

The secondary coil generates its own magnetic field independent of the primary coil.

The primary coil only powers the secondary coil without any magnetic interaction.

The primary coil creates a magnetic field that induces voltage in the secondary coil, with the voltage ratio determined by the turns ratio.

The voltage in the primary coil is always higher than in the secondary coil.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factors affect the efficiency of a transformer?

Core material quality, winding resistance, load conditions, frequency of operation, and losses (copper and iron losses) affect transformer efficiency.

Type of insulation used

Transformer size and shape

Ambient temperature variations

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