Home
Class 11
PHYSICS
A copper wire of length l increases in ...

A copper wire of length l increases in length by 0.3 % on heating from `20^@C` to `40^@C.` Then percentage change in area of copper plate of dimensions `3 lxx 2l` on heating from `20^@C` to `40^@C` is

A

`0.05%`

B

`0.3%`

C

`0.4%`

D

`0.6%`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF BULK MATTER

    PRADEEP|Exercise Fill in the Blanks D|10 Videos

  • PROPERTIES OF BULK MATTER

    PRADEEP|Exercise Test Your Grip E|10 Videos

  • PROPERTIES OF BULK MATTER

    PRADEEP|Exercise Fill in the Blanks C|10 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    PRADEEP|Exercise Competiton Focus Jee Medical Entrance|18 Videos

  • RAY OPTICS

    PRADEEP|Exercise Problem For Practice(a)|25 Videos

Similar Questions

Explore conceptually related problems

A thin copper wire of length l increases in length by 1% when heated from 0^(@)C to 100^(@)C . If a then copper plate of area 2lxxl is heated from 0^(@)C to 100^(@)C , the percentage increases in its area will be

A thin copper wire of length L increase in length by 1% when heated from temperature T_(1) "to" T_(2) What is the percentage change in area when a thin copper plate having dimensions 2LxxL is heated from T_(1) "to "T_(2) ?

A thin copper wire of length l metre increases in length by 2% when heated through 10^(@)C . What is the percentage increase in area when a square copper sheet of length l metre is heated through 10^(@)C

A copper wire is stretched so as to increase its length by 0.2%. Calculate the percentage change in the resistance of the wire.

When a thin iron wire of length l is heated from a temperature T_1 to T_2 , a change of 1% in its length is observed. The percentage change in area of iron plate of dimension 2l xx l when it is heated from T_1 to T_2 is

If an increase in length of copper wire is 0.5% due to stretching, the percentage increase in its resistance will be

When water is heated from 0^@C to 20^@C its volume

When water is heated from 0^@ C to 20^@ C ,how does its volume change