The mean free path of electrons in a met...

The mean free path of electrons in a metal is `4 xx 10^(-8)m` The electric field which can give on an average `2eV` energy to an electron in the metal will be in the units `V//m`

`8xx10^(7)`

`5xx10^(-11)`

`8xx10^(-11)`

`5xx10^(7)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
DC PANDEY|Exercise B. Assertion and reason|18 Videos
CURRENT ELECTRICITY
DC PANDEY|Exercise Match the columns|4 Videos
CURRENT ELECTRICITY
DC PANDEY|Exercise Check point|70 Videos
COMMUNICATION SYSTEM
DC PANDEY|Exercise Subjective|11 Videos
ELECTROMAGNETIC INDUCTION
DC PANDEY|Exercise Medical entrances gallery|25 Videos

Similar Questions

Explore conceptually related problems

The mean free path of conduction electrons in copper is about 4 xx 10^(-8)m . Find the electric field which can give, on an avrage, 2 eV energy to a conduction electron in a block of copper.

The mean free path of conduction electorns in copper is about 4xx10^(-8) m. for a copper block, find the electric field which can give, on an average, 1eV energy to a conduction electron.

The mean free path of a conduction electron in a metal is 5 xx 10^(-8) m . The electric field, required to be applied across the conductor so as to impart 1eV energy to the conduction electron , will be

The mean free path of conduction electron in a metallic block is 5xx10^(-6) m the block is placed in an electric field of 5xx10^(+7) v m^(-1) calculate the energy of the conduction electron in the block

Compute the typical de-Broglie wavelength of an electrons in a metal at 27^(@)C and compare it with the mean separation between two electrons in a metal which is given to be about 2xx10^(-10)m .

Are the paths of electrons straight lines between successive collisions with the positive ions of metal in the presence of electric field?

DC PANDEY-CURRENT ELECTRICITY-Taking it together

Two bulbs 60 W and 100 W designed for voltage 220 V are connected in s...
Text Solution
|
A tap supplies water at 22^(@)C, a man takes 1 L of water per min at 3...
Text Solution
|
The mean free path of electrons in a metal is 4 xx 10^(-8)m The elect...
Text Solution
|
You are given two resistances R(1) and R(2). By using them singly, in ...
Text Solution
|
A potentiometer having the potential gradient of 2 mV//cm is used to m...
Text Solution
|
In the circuit shown in the figure,
Text Solution
|
A galvanometer of resistance 50 Omega is connected to a battery of 3 ...
Text Solution
|
When a galvanometer is shunted by resistance S, then its current capac...
Text Solution
|
The tungsten filaments of two electric bulbs are of the same length. I...
Text Solution
|
Three unequal resistor in parallel are equivalent to a resistance 1 oh...
Text Solution
|
In the network shown in fig. , points A, B, and C are at potentials of...
Text Solution
|
The current in the resistance R will be zero if
Text Solution
|
The magnitude and direction of the current in the circuit shown will b...
Text Solution
|
Consider a current carrying wire (current I) in the shape of a circle....
Text Solution
|
Two batteries of emf epsilon(1) and epsilon(2) (epsilon(2)gtepsilon(1)...
Text Solution
|
A resistance R is to be measured using a meter bridge. Student chooses...
Text Solution
|
The current drawn from the battery shown in the figure is ltBrgt
Text Solution
|
Two nonideal batteries are connected in parallel. Consider the followi...
Text Solution
|
In the adjoining circuit, the battery E(1) has an e.m.f me of 12 volt ...
Text Solution
|
The potential drop across the 3 Omega resistor is
Text Solution
|