Consider the following statements :
(A) Free electron density in a metal depends on temperature
(B) Free electron density is different in different metals, due to Seebeck effect

Both A and B are true

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Both A and B are false

No worries! We‘ve got your back. Try BYJU‘S free classes today!

A is true but B is false

No worries! We‘ve got your back. Try BYJU‘S free classes today!

A is false B is true

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D Both A and B are true
Both A and B are true, Seebeck effect is caused due to free electron density, Therefore electron density is different in different metals or free electron density in a metal depends on temperature.

Suggest Corrections

Similar questions

Q. Consider the following statements.
(A) Free-electron density is different in different metals.
(B) Free-electron density in a metal depends on temperature.
Seebeck Effect is caused
(a) due to both A and B
(b) due to A but not due to B
(c) due to B but not due to A
(d) neither due to A nor due to B

Q. Consider the following two statements.
(A) Free electron density is different metals.
(B) Free electron density in a metal depends on temperature.
Seebeck effect is caused

Q. A paramagnetic material is placed in a magnetic field. Consider the following statements:
(A) If the magnetic field is increased, the magnetisation is increased.
(B) If the temperature is increased, the magnetisation is increased.
(a) A and B are true.
(b) A is true but B is false.
(c) B is true but A is false.
(d) A and B are false.

In the following question a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below in each question.

Assertion (A) At critical temperature liquid passes into gaseous state imperceptibly and continuously.

Reason (R) The density of liquid and gaseous phase is equal to crictical temperature.

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is not the correct explanation of A

(d) A is false but R is true

Assertion (A): Sodium metal is stored in kerosene

Reason (R): The density of sodium is less than water

Join BYJU'S Learning Program

Consider the following statements :(A) Free electron density in a metal depends on temperature(B) Free electron density is different in different metals, due to Seebeck effect

The correct option is D Both A and B are trueBoth A and B are true, Seebeck effect is caused due to free electron density, Therefore electron density is different in different metals or free electron density in a metal depends on temperature.

Consider the following statements :
(A) Free electron density in a metal depends on temperature
(B) Free electron density is different in different metals, due to Seebeck effect

The correct option is D Both A and B are true
Both A and B are true, Seebeck effect is caused due to free electron density, Therefore electron density is different in different metals or free electron density in a metal depends on temperature.