Physics-Magnetism & Electricity at Work (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 9 - 10 of 10

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Question number: 9

» Physics » Magnetism & Electricity at Work

Appeared in Year: 2013

MCQ▾

Question

Consider a simple circuit containing a battery and three identical incandescent bulbs A, B and C. Bulb A is wired in parallel with bulb B and this combination is wired in series with bulb C. What would happen to the brightness of the other two bulbs if bulb A were to burn out?

Choices

Choice (4) Response

a.

There would be no change in the brightness of either bulb B or bulb C

b.

A and B would get brighter

c.

Only bulb B would get brighter

d.

Bulb B would get brighter and bulb C would get dimmer

Question number: 10

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

In the electric circuit shown below.

An electric circuit with six bulbs

An Electric Circuit With Six Bulbs

Find the number of bulbs which will glow

Choices

Choice (4) Response

a.

Not of the bulbs will glow

b.

Only bulb 3 will glow

c.

All the bulbs will glow

d.

Bulbs 4, 5 and 6 will glow

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