A 2 m long wire of resistance 4 Omega an...

A 2 m long wire of resistance `4 Omega` and diameter 0.64 mm is coated with plastic insulation of thickness 0.66 mm. A current of 5A flows through the wire. Find the temperature difference across the insulation in the steady state. Thermal conductivity of plastic is `0.16 xx (10^-2) cal//s cm.^@C`.

`1^(@)C`

`2^(@)C`

`3^(@)C`

`4^(@)C`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA JEE MOCK TEST 83
NTA MOCK TESTS|Exercise PHYSICS|25 Videos
NTA JEE MOCK TEST 85
NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A current of (2.5+-0.05) A flows through a wire and develops a potential difference of (10+-0.1) volt. Resistance of th wire in ohm, is

A current of (2.5+-0.05) A flows through a wire and develops a potential difference of (10+-0.1) volt. Resistance of the wire in ohm, is

A current of (2.5+-0.05) A flows through a wire and develops a potential difference of (10+-0.076) volt.Resistance of the wire in ohm is

The specific resistance of a potentiometer wire is 10^(-7) Omega m and the cross sectional area of the wire is 10^(-6)m^(2) . If a current of 0.1 A flows through the wire, then the potential gradient will be

A current of (2.5 +- 0.05) A flows through a wire and develops a potential difference of,(10 +- 0.076) volt.Resistance of the wire in ohm,is

A current of 1.0 mA is flowing through a potentiometer wire of length 4 m and of resistance 4 Omega , find the potential gradient of potentiometer wire

Find the resistivity of eureka wire 1.1 m long and 0.2 mm in diameter. Resistivity of eureka =49xx10^(-8) Omega m. What is the current flowing through this wire when a potential difference of 2 V is applied across it ?

The resistivity of a potentiometer wire is 40xx10^(-8)Omega-m and its area of cross section is 8xx10^(-6)m^(2) . If 0.2 A current is flowing through the wire the potential gradient will be

A wire has a length of 2.0m and a resistance of 5.0(Omega) .Find the electric field existing inside the wire if it carries a current of 10A.

NTA MOCK TESTS-NTA JEE MOCK TEST 84-PHYSICS

An electric dipole is situated in an electric field of uniform intensi...
Text Solution
|
A hypothetical planet in the shape of a sphere is completely made of a...
Text Solution
|
A 2 m long wire of resistance 4 Omega and diameter 0.64 mm is coated w...
Text Solution
|
An elastic ball is dropped on a long inclined plane. If bounces, hits ...
Text Solution
|
A hanging block of mass m' prevents the smaller block of mass m from s...
Text Solution
|
There is a stream of neutrons with a kinetic energy of 0.0327 eV. If t...
Text Solution
|
The spring block system lies on a smooth horizontal surface. The free ...
Text Solution
|
The potential energy of a partical varies as . U(x) = E0 for 0 le x...
Text Solution
|
A glass capillary tube is of the shape of a truncated cone with an ape...
Text Solution
|
A ray of light is incident on a surface of glass slab at an angle 45^@...
Text Solution
|
A uniform rod of mass M is hinged at its upper end. A particle of mass...
Text Solution
|
The circuit has two oppositely connected ideal diodes in parallel. Wha...
Text Solution
|
An ideal gas is expanded such that PT^(2)=a constant. The coefficient ...
Text Solution
|
If velocity, force and time are taken to be fundamental quantities fin...
Text Solution
|
In a biprism experiment with sodium light,bands of width 0.0195cm are ...
Text Solution
|
A source of sound S emitting waves of frequency 100 Hz and an observer...
Text Solution
|
A 0.5kg block slides from the point A on a horizontal track with an in...
Text Solution
|
Kalpha wavelength emitted by an atom of atomic number Z=11 is lambda. ...
Text Solution
|
A galvanometer of resistance 30Omega is connected to a battery of emf ...
Text Solution
|
Two tangent galvanometers A and B have coils of radii 8cm and 16cm res...
Text Solution
|