NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1260 - 1264 of 1484

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Question number: 1260

» Physics » Sources of Energy

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MCQ▾

Question

Essential requirements for producing fire are:

I. Fuel

II. Biogas

III. Heat

Which of the following are correct?

Choices

Choice (4)Response

a.

I, II and III only

b.

II and III only

c.

I and II only

d.

I and III only

Question number: 1261

» Physics » Magnetic Effects of Electric Current

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MCQ▾

Question

The source of electricity in a device is a battery, so the current passing through device is:

Choices

Choice (4)Response

a.

Direct current

b.

Alternative current

c.

Varying current

d.

Magnetic current

Question number: 1262

» Physics » Magnetic Effects of Electric Current

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MCQ▾

Question

When a conducting current carrying wire is placed in magnetic field,

Choices

Choice (4)Response

a.

It’s current starts decreasing

b.

It experiences Lorentz force

c.

It’s current becomes zero

d.

It’s current starts increasing

Question number: 1263

» Physics » Magnetic Effects of Electric Current

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MCQ▾

Question

The dynamo is working based on:

Choices

Choice (4)Response

a.

Change chemical energy into electric energy

b.

Change Electric energy into chemical energy

c.

Change electric energy into mechanical energy

d.

Change mechanical energy into electric energy

Question number: 1264

» Physics » Sources of Energy

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MCQ▾

Question

Biogas is produced:

Choices

Choice (4)Response

a.

By anaerobic digester from animal wastes

b.

By anaerobic digestion of biological materials such as food waste and manure

c.

Both a. and b. are correct

d.

None of the above

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