EASY
10th CBSE
IMPORTANT
Earn 100

Name the material which is used for making the heating element of an electric iron.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 8
What is nichrome? State its one use.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 9
Give two reasons why nichrome alloy is used for making the heating elements of electrical appliances.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 10
Why are the coils of electric irons and electric toasters made of an alloy rather than a pure metal?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 11
Which has more resistance: a long piece of nichrome wire or a short one?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 11
Which has more resistance: a thick piece of nichrome wire or a thin piece?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 12
How does the resistance of a pure metal change if it's temperature decreases?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Very Short Answer Type Questions>Q 12
How does the presence of impurities in a metal affect its resistance?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Short Answer Type Questions>Q 14
What do you understand by the "resistivity" of a substance?