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A metallic wire has a resistance of 120Ω at 20∘C. Find the temperature at which the resistance of same metallic wire rises at 240Ω where the temperature coefficient of the wire is 2×10−40 C−1.
02
Sep
A metallic wire has a resistance of 120Ω at 20∘C. Find the temperature at which the resistance of same metallic wire rises at 240Ω where the temperature coefficient of the wire is 2×10−40 C−1. A metallic wire has a resistance of 120Ω at 20∘C. Find the temperature at which the resistance of same metallic wire [...]
The diagram given depicts two different process for a given mass of an ideal gas. What inference can be drawn regarding the change of pressure and volume of the gas from Figs. (a) and (b) respectively ?
02
Sep
The diagram given depicts two different process for a given mass of an ideal gas. What inference can be drawn regarding the change of pressure and volume of the gas from Figs. (a) and (b) respectively ? A cyclic process ABCA shown in V-T diagram is performed with a constant mass of an ideal gas. [...]
Consider a conductor of length 40 cm where a potential difference of 10V is maintained between the ends of the conductor. Find the mobility of the electrons provided the drift velocity of the electrons is 5×10−6 m/s
02
Sep
Consider a conductor of length 40 cm where a potential difference of 10V is maintained between the ends of the conductor. Find the mobility of the electrons provided the drift velocity of the electrons is 5×10−6 m/s and V is drift velocity. Current is flowing from a conductor of nonuniform cross sectional area. If A1>A2 [...]
A cyclic process ABCA shown in V-T diagram, is performed with a constant mass of an ideal gas. Which of the following graphs in figure represents the corresponding process on a P-V diagram?
02
Sep
A cyclic process ABCA shown in V-T diagram, is performed with a constant mass of an ideal gas. Which of the following graphs in figure represents the corresponding process on a P-V diagram? A cyclic process ABCA shown in V-T diagram is performed with a constant mass of an ideal gas. Which of the following [...]
A copper wire of cross-sectional area 3.00×10^−6 m^2 carries a current 10.0A. a. Find the drift speed of the electrons in the wire. Assume that each copper atom contributes one free electron to the body of material. b. Find the average time between collisions for electrons in the copper at 20∘C. The density of copper si 8.95gcm−1, molar mass of copper is 63.5gmol−1, Avogadro number is 6.02 x 1023 electrons per mol and resistivity of copper is 1.7 xx10^(-8) Omega.`
02
Sep
A copper wire of cross-sectional area 3.00×10^−6 m^2 carries a current 10.0A. a. Find the drift speed of the electrons in the wire. Assume that each copper atom contributes one free electron to the body of material. b. Find the average time between collisions for electrons in the copper at 20∘C. The density of copper [...]
In the given P-V diagram, the temperature at point A is T0, draw P-T and V-T diagram of given process.
02
Sep
In the given P-V diagram, the temperature at point A is T0, draw P-T and V-T diagram of given process. draw P-T and V-T diagram of given process. In the given P-V diagram the temperature at point A is T0 September 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Current is flowing from a conductor of nonuniform cross sectional area. If A1>A2, then find relation between a.) i1 and i2 b.) j1 and j2 c.) (vd)1 and (vd)2 (drift velocity) where I is current, j is current density, and V is drift velocity.
02
Sep
Current is flowing from a conductor of nonuniform cross sectional area. If A1>A2, then find relation between a.) i1 and i2 b.) j1 and j2 c.) (vd)1 and (vd)2 (drift velocity) where I is current, j is current density, and V is drift velocity. and V is drift velocity. Current is flowing from a conductor [...]
How much time will be taken by an electron to move distance I = 1km in a copper wire of cross section A=1 mm^2 if it carries a current I = 4.5 A?`
02
Sep
How much time will be taken by an electron to move distance I = 1km in a copper wire of cross section A=1 mm^2 if it carries a current I = 4.5 A?` How much time will be taken by an electron to move distance I = 1km in a copper wire of cross section [...]
In the given P-V diagram if the temperature of point A is T0, find the temperature at point B and C. Also, draw P-T and V-T diagrams of given process.
02
Sep
In the given P-V diagram if the temperature of point A is T0, find the temperature at point B and C. Also, draw P-T and V-T diagrams of given process. draw P-T and V-T diagrams of given process. find the temperature at point B and C. Also In the given P-V diagram if the temperature [...]
Find the total linear momentum of the electrons in a conductor of length l =1000 m carrying i = 70 A.
02
Sep
Find the total linear momentum of the electrons in a conductor of length l =1000 m carrying i = 70 A. Find the total linear momentum of the electrons in a conductor of length l =1000 m carrying i = 70 A. September 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]