NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1262 - 1267 of 1484

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Question 1262

Question

MCQ▾

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 1263

Question

MCQ▾

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 1264

Question

MCQ▾

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

Question 1265

Question

MCQ▾

Which of the following device used based on the principle of converting electric energy in to mechanical energy?

Choices

Choice (4)Response

a.

Electric Geyser

b.

Electric cell

c.

Electric generator

d.

Electric motor

Question 1266

Question

MCQ▾

Wind energy possesses

Choices

Choice (4)Response

a.

Kinetic energy

b.

Geothermal energy

c.

Thermal energy

d.

None of the above

Question 1267

Question

MCQ▾

Which of the following types of coal contains more than 80 % carbon content?

Choices

Choice (4)Response

a.

Peat

b.

Lignite

c.

Bituminous

d.

Anthracite

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