Electric Current and Its Effect (NSO Level 1- Science Olympiad (SOF) Class 7): Questions 1 - 6 of 34

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Question number: 1

» Electric Current and Its Effect

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MCQ▾

Question

Will the bulb glow in the circuit shown?

Bulb connect with battery

Bulb Connect with Battery

Bulb connect with battery

Choices

Choice (4) Response

a.

No

b.

Yes

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 2

» Electric Current and Its Effect

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MCQ▾

Question

Which of the following is not an insulator?

Choices

Choice (4) Response

a.

Iron

b.

Ebonite

c.

Mud

d.

Asbestos

Question number: 3

» Electric Current and Its Effect

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MCQ▾

Question

Read the following statement and select the correct option.

The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them.

Choices

Choice (4) Response

a.

Coulomb’s Law

b.

Ohm’s Law.

c.

Law of repulsion

d.

Law of attraction

Question number: 4

» Electric Current and Its Effect

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MCQ▾

Question

Which of the following is the combination of two or more cells?

Choices

Choice (4) Response

a.

Electric cell

b.

Battery

c.

Button cell

d.

Truck battery

Question number: 5

» Electric Current and Its Effect

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MCQ▾

Question

What is the reason of filling argon gas inside the bulb surrounding the filament?

Choices

Choice (4) Response

a.

To keep the space maintained

b.

To balance the pressure

c.

To avoid the oxidation of filament

d.

All of the above

Question number: 6

» Electric Current and Its Effect

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MCQ▾

Question

Which of the following is the metal used to make the filament of light bulb?

Choices

Choice (4) Response

a.

Silver

b.

Tungsten

c.

Nickel

d.

Copper

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