Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The area of cross section, length, and density of a piece of metal of atomic weight 60 are 10^−6 m ^2 , 1 m, and 5 × 10 ^ 3 kgm −3 , respectively. If every atom contributes one free electron, find the drift velocity (in mms −1 ) of electrons in the metal when a current of 16 A passes through it. Avogadro’s number is N A= 6 × 10 ^23 /mol and charge on an electron is e = 1.6 × 10 ^−19 C
12
Nov
The area of cross section, length, and density of a piece of metal of atomic weight 60 are 10^−6 m ^2 , 1 m, and 5 × 10 ^ 3 kgm −3 , respectively. If every atom contributes one free electron, find the drift velocity (in mms −1 ) of electrons in the metal when [...]
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1 m ,
and 5 × 10 ^ 3 kgm −3 ,
and density of a piece of metal of atomic weight 60 are 10^−6 m ^2 ,
find the drift velocity (in mms −1 ) of electrons in the metal when a current of 16 A passes through it. Avogadro's number is N A= 6 × 10 ^23 /mol and charge on an electron is e = 1.6 × 10 ^−19 C ,
length ,
respectively. If every atom contributes one free electron ,
The area of cross section ,
Find current in the branch CD of the circuit ( in ampere ).
12
Nov
Find current in the branch CD of the circuit ( in ampere ). Find current in the branch CD of the circuit ( in ampere ). November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Find the current ( in ampere ) in the rightmost resistor shown in figure.
12
Nov
Find the current ( in ampere ) in the rightmost resistor shown in figure. Find the current ( in ampere ) in the rightmost resistor shown in figure. November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the infinite grid , the value of each resistance is r = 2 ( root 5 -1) ohm. Find the equivalent between the points a and c ( in ohm ).
12
Nov
In the infinite grid , the value of each resistance is r = 2 ( root 5 -1) ohm. Find the equivalent between the points a and c ( in ohm ). In the infinite grid the value of each resistance is r = 2 ( root 5 -1) ohm. Find the equivalent between the [...]
Identify the reaction that does not take place in a blast furnace (a) 2Fe2O3 + 3C to 4Fe + 3CO2 (b) CO2 + C to 2CO
12
Nov
Identify the reaction that does not take place in a blast furnace (a) 2Fe2O3 + 3C to 4Fe + 3CO2 (b) CO2 + C to 2CO Identify the reaction that does not take place in a blast furnace (a) 2Fe2O3 + 3C to 4Fe + 3CO2 (b) CO2 + C to 2CO November 12, 2020 [...]
A finite square grid, each link having resistance r , is fitted in a resitance – less conducting circulare wire. Determine the equivalent resistance between A and B ( in ohm ) if r = ( 80/7 ) ohm.
12
Nov
A finite square grid, each link having resistance r , is fitted in a resitance – less conducting circulare wire. Determine the equivalent resistance between A and B ( in ohm ) if r = ( 80/7 ) ohm. A finite square grid each link having resistance r is fitted in a resitance - less [...]
Bauxite ore is made up of Al2O3 + SiO2 + TiO2 + Fe2O3. This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for few hours and filtered hot. In the filtrate
12
Nov
Bauxite ore is made up of Al2O3 + SiO2 + TiO2 + Fe2O3. This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for few hours and filtered hot. In the filtrate Bauxite ore is made up of Al2O3 + SiO2 + TiO2 + Fe2O3. This ore is treated with [...]
Heating with carbon in absence of air is known as (a) Reduction (b) Carbon-reduction (c) Smelting (d) Roasting
12
Nov
Heating with carbon in absence of air is known as (a) Reduction (b) Carbon-reduction (c) Smelting (d) Roasting Heating with carbon in absence of air is known as (a) Reduction (b) Carbon-reduction (c) Smelting (d) Roasting November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The autoreduction process is not used in the metallurge of (a) Hg (b) Cu (c) Pb (d) Fe
12
Nov
The autoreduction process is not used in the metallurge of (a) Hg (b) Cu (c) Pb (d) Fe The autoreduction process is not used in the metallurge of (a) Hg (b) Cu (c) Pb (d) Fe November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Carbon reduction process is used for the extraction of (a) Hg (b) Zn (c) Cr (d) Fe
12
Nov
Carbon reduction process is used for the extraction of (a) Hg (b) Zn (c) Cr (d) Fe Carbon reduction process is used for the extraction of (a) Hg (b) Zn (c) Cr (d) Fe November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,