EASY
10th CBSE
IMPORTANT
Earn 100

Of what substance is the fuse wire made? Why?

Important Questions on Magnetic Effect of Electric Current

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 18
Explain why, a copper wire cannot be used as a fuse wire.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 19
What type of electric fuse is used in electrical appliances like car stereos? Explain with the help of a labelled diagram.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 20
Distinguish between the terms 'overloading' and 'short-circuiting' as used in domestic circuits.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 21
When does a fuse cut off current? How does it do it?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 21
What is the maximum number of 60 W bulbs that can be run from the mains supply of 220 volts if you do not want to overload a 5 A fuse?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 22
Explain the importance of using in a household electric circuit: fuse.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 22
Explain the importance of using in a household electric circuit: earthing wire.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 2 - Magnetic Effect of Electric Current>Short Answer Type Questions>Q 23
An electric iron is rated at 230 V, 750 W. Calculate the maximum current it draws.