EASY
7th Foundation
IMPORTANT
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The magnetic field around a current carrying coil

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Important Questions on Electric Current and its Effects

EASY
7th Foundation
IMPORTANT
Which of the following is not a circuit element?
EASY
7th Foundation
IMPORTANT
A fuse wire is made up of alloy
HARD
7th Foundation
IMPORTANT
In which of the following circuit will the bulb glow?
EASY
7th Foundation
IMPORTANT
Marking on a bulb is 60 W, 220 V. What does it signify?
EASY
7th Foundation
IMPORTANT

Match the two columns and select the correct option from codes given below.

  Column I   Column II
(a) A bad conductor of electricity but good conductor of heat (i) CFL
(b) A wire twisted many times in the form of circles (ii) Nichrome
(c) Smart eco-friendly bulb (iii) Mica
(d) An alloy whose temperature can rise up to 900°C and used as heating element (iv) Coil
EASY
7th Foundation
IMPORTANT

Observe the given circuit diagrams (X and Y) and identify the correct statement.

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EASY
7th Foundation
IMPORTANT

Which of the following statements is incorrect for the given circuit?

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MEDIUM
7th Foundation
IMPORTANT

In which circuit the bulbs will glow brightly?

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