NSO Level 1- Science Olympiad (SOF) Class 10: Questions 898 - 903 of 986

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Question number: 898

» Magnetic Effects of Electric Current

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MCQ▾

Question

Which device produces the electric current?

Choices

Choice (4) Response

a.

Generator

b.

Galvanometer

c.

Ammeter

d.

Electrical motor

Question number: 899

» Sources of Energy

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MCQ▾

Question

Which of the following is not a conventional source of energy?

Choices

Choice (4) Response

a.

Hydro power plants

b.

Thermal power plant

c.

Fossil fuels

d.

Biomass

Question number: 900

» Chemical Reactions and Equation

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MCQ▾

Question

Students added to a test tube containing coper sulphate. Which of the following observation are correct?

(i) Blue solution changes to Colorless

(ii) Reddish brown Cu

(iii) Fe is more reactive than Copper

(iv)

Choices

Choice (4) Response

a.

(i) & (ii)

b.

(ii) (iii) & (iv)

c.

(i) (ii) & (iv)

d.

(i) (iv) & (iii)

Passage

Read the passage carefully and answer questions below

State the rule to determine the direction of a

Question number: 901 (1 of 3 Based on Passage) Show Passage

» Magnetic Effects of Electric Current

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MCQ▾

Question

Force experienced by a current-carrying straight conductor placed in a magnetic field, which is perpendicular to it

Choices

Choice (4) Response

a.

Fleming’s Left-Hand Rule

b.

Fleming’s Right-Hand Rule

c.

Right-Hand Thumb Rule

d.

All of the above

Question number: 902 (2 of 3 Based on Passage) Show Passage

» Magnetic Effects of Electric Current

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MCQ▾

Question

Current induced in a coil due to its rotation in a magnetic field.

Choices

Choice (4) Response

a.

Fleming’s Left-Hand Rule

b.

Fleming’s Right-Hand Rule

c.

Right-Hand Thumb Rule

d.

All of the above

Question number: 903 (3 of 3 Based on Passage) Show Passage

» Magnetic Effects of Electric Current

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MCQ▾

Question

Magnetic field produced around a straight conductor carrying current is explained as

Choices

Choice (4) Response

a.

Right-Hand Thumb Rule

b.

Fleming’s Right-Hand Rule

c.

Fleming’s Left-Hand Rule

d.

None of the above