HARD
10th ICSE
IMPORTANT
Earn 100

How does the resistance of a wire depend on its radius? 

Important Questions on Current Electricity

HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 11
How does the resistance of a metallic wire depend on its temperature? Explain with reason.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 12
Which of the following is an ohmic resistance?
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 13
What are the effecting factors of resistance?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 14
Define resistivity of a material and give it's S.I. unit.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 15

Name a material which is used for making the standard resistor. Give a reason for your answer.

HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 16
Name the material used for making a fuse wire. Give a reason.
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 17
What is a superconductor? Give one example of it.
HARD
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 8 - Current Electricity>QUESTIONS>Q 18
Explain the meaning of the terms e.m.f., terminal voltage and internal resistance of cell.