Physics-Electricity and Circuits (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 1 - 8 of 50

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Question number: 1

» Physics » Electricity and Circuits

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Question

In a torch, the source of electricity is:

Choices

Choice (4) Response

a.

The cell

b.

The switch

c.

The mains

d.

The bulb

Question number: 2

» Physics » Electricity and Circuits

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MCQ▾

Question

Why metals allow current to pass over them

Choices

Choice (4) Response

a.

They forms anion

b.

They have free electrons

c.

They are solids

d.

All of the above

Question number: 3

» Physics » Electricity and Circuits

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MCQ▾

Question

Rheostat is a type of

Choices

Choice (4) Response

a.

Ammeter

b.

Volt meter

c.

Resistance

d.

Galvanometer

Question number: 4

» Physics » Electricity and Circuits

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MCQ▾

Question

A substance has nearly zero resistance at a temperature of 1 K. What is such a substance called?

Choices

Choice (4) Response

a.

Superconductor

b.

Conductor

c.

Bad conductor

d.

Question does not provide sufficient data or is vague

Question number: 5

» Physics » Electricity and Circuits

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MCQ▾

Question

The three insulators are:

Choices

Choice (4) Response

a.

Utensils of steel, Paper, Thermocol

b.

Paper, Wood, Ebonite

c.

Human Body, Plastic, Ebonite

d.

Silver, Aluminum, Human Body

Question number: 6

» Physics » Electricity and Circuits

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MCQ▾

Question

The heating effect of electricity is used in

Choices

Choice (4) Response

a.

Electric bell

b.

Electroplating

c.

Electric motor

d.

Geyser

Question number: 7

» Physics » Electricity and Circuits

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MCQ▾

Question

There are how many kind of cells

Choices

Choice (4) Response

a.

2

b.

1

c.

3

d.

4

Question number: 8

» Physics » Electricity and Circuits

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MCQ▾

Question

A conductor AB is joined to a cell with its end A at a low potential and the end B at a high potential. Then the direction of flow of electrons in a conductor AB is:

Choices

Choice (4) Response

a.

B to A

b.

A to B

c.

B to B

d.

A to A

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