transformer

transformer

University

10 Qs

quiz-placeholder

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transformer

transformer

Assessment

Quiz

Physics

University

Medium

NGSS
HS-PS3-3

Standards-aligned

Created by

electronics e

Used 3+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This picture is an example of a ________________.

Motor

Generator

Step-up transformer

Step-down transformer

Tags

NGSS.HS-PS3-3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following does not change in a transformer?

Voltage

Current

Frequency

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The winding which is connected to the supply side is called the ....... winding.

primary

secondary

tertiary

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one is not the condition for ideal transformer.

Resistance of primary and secondary winding must be zero

Leakage flux must be zero.

Permeability must be zero.

core losses must be zero

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

define form factor

rms valueaverage value\frac{rms\ value}{average\ value} for sine wave form factor =1.11

average valuerms value\frac{average\ value}{rms\ value} for sine wave form factor =1.11

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

definition of cycle (read the options carefully)

one complete set of positive and negative values of alternating quantity

one complete set of positive or negative values of alternating quantity

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Relation between time period, T and frequency,f

T=1fT=\frac{1}{f}

T=f

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