EASY
10th CBSE
IMPORTANT
Earn 100

How does the resistance of a wire vary with its: area of cross-section?

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Short Answer Type Questions>Q 21
How does the resistance of a wire vary with its: diameter?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Short Answer Type Questions>Q 22
How does the resistance of a wire change when: its length is tripled?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Short Answer Type Questions>Q 22
How does the resistance of a wire change when: its diameter is tripled?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Short Answer Type Questions>Q 22
How does the resistance of a wire change when: its material is changed to one whose resistivity is three times?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Short Answer Type Questions>Q 23
Calculate the area of cross-section of a wire if its length is 1.0 m, its resistance is 23 Ω, and the resistivity of the material of the wire is 1.84×10-6 Ωm.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 24
Define resistivity. Write an expression for the resistivity of a substance. Give the meaning of each symbol which occurs in it.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 24
State the SI unit of resistivity.
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 1 - Electricity>Long Answer Type Questions>Q 24
Distinguish between resistance and resistivity.