A)
Three identical capacitor, A,B and C are charged to the same potential and then made to discharge through three resistance RA>RB>RC. Their potential difference (V) are plotted against time t, giving the curves 1,2,and 3. Choose the incorrect option.
02
Dec
Three identical capacitor, A,B and C are charged to the same potential and then made to discharge through three resistance RA>RB>RC. Their potential difference (V) are plotted against time t, giving the curves 1,2,and 3. Choose the incorrect option. 2 A) and 3. Choose the incorrect option. B and C are charged to the same [...]
A,B and C are three concentric metallic shells . Shell A is the innermost and shell C is the outermost. A is given some charge (i) The inner surfaces of Band C will have the same charge (ii) The inner surfaces of B and C will have the same charge density (iii) The outer surfaces of A,B and C will have the same charge (iv) The outer surfaces of A,B and C will have the same charge density
02
Dec
A,B and C are three concentric metallic shells . Shell A is the innermost and shell C is the outermost. A is given some charge (i) The inner surfaces of Band C will have the same charge (ii) The inner surfaces of B and C will have the same charge density (iii) The outer surfaces [...]
The electric field at the origin is along the positive x-axis. A small circle is drawn with the centre at the origin cutting the axes at points A, B, C and D having coordinates (a,0), (0,a), (-a,0),(0,-a) respectively. Out of the points on the periphery of the circle, the potential is minimum at
01
Dec
The electric field at the origin is along the positive x-axis. A small circle is drawn with the centre at the origin cutting the axes at points A, B, C and D having coordinates (a,0), (0,a), (-a,0),(0,-a) respectively. Out of the points on the periphery of the circle, the potential is minimum at -a) respectively. [...]
Positive and negative point charges of equal magnitude are kept at (0,0,a/2) and (0,0,−a/2) respectively. The work done by the electric field when another positive point charge is moved from (−a,0,0) to (0,a,0) is
01
Dec
Positive and negative point charges of equal magnitude are kept at (0,0,a/2) and (0,0,−a/2) respectively. The work done by the electric field when another positive point charge is moved from (−a,0,0) to (0,a,0) is −a/2) respectively. The work done by the electric field when another positive point charge is moved from (−a 0) is 0) [...]
A point charge q moves from point P to point S along the path PQRS In a uniform electric field E→ pointing parallel to the positive direction of the x-axis.. The coordinates of the points P, Q, R and S are (a, b,0); (2a,0,0),(a, -b, 0) and (0,0,0) respectively. The work done by the field in the above process is given by the expression
01
Dec
A point charge q moves from point P to point S along the path PQRS In a uniform electric field E→ pointing parallel to the positive direction of the x-axis.. The coordinates of the points P, Q, R and S are (a, b,0); (2a,0,0),(a, -b, 0) and (0,0,0) respectively. The work done by the field [...]
Tags:
-q ,
0 ) ,
0) and (0 ,
0) respectively. The work done by the field in the above process is given by the expression ,
0); (2a ,
A point charge q moves from point P to point S along the path PQRS In a uniform electric field E→ pointing parallel to the positive direction of the x-axis.. The coordinates of the points P ,
A) ,
B ,
R and S are (a ,
Solve the following pairs of equations : (vi) x/a + y/b = a + b, x/a^2 + y/b^2 = 2, a,b ≠ 0
22
Nov
Solve the following pairs of equations : (vi) x/a + y/b = a + b, x/a^2 + y/b^2 = 2, a,b ≠ 0 A) B = 0 Solve the following pairs of equations : (vi) x/a + y/b = a + b x/a^2 + y/b^2 = 2 November 22, 2020 Category: Chapter 3 - Pair [...]
A, B and C are three optical media of respective critical angles `C_1`, `C_2` and `C_3`. Total internal reflection of light can occur from A and B and also from B to C but not from C to A. Then the correct relation between critical angles is
17
Nov
A, B and C are three optical media of respective critical angles `C_1`, `C_2` and `C_3`. Total internal reflection of light can occur from A and B and also from B to C but not from C to A. Then the correct relation between critical angles is `C_2` and `C_3`. Total internal reflection of light [...]
A, B and C are voltmeters of resistances R, 1.5 R and 3 R respectively. When some potential difference is applied between x and y the voltmeter readings are VA,V_B and V_C,` then
13
Nov
A, B and C are voltmeters of resistances R, 1.5 R and 3 R respectively. When some potential difference is applied between x and y the voltmeter readings are VA,V_B and V_C,` then 1.5 R and 3 R respectively. When some potential difference is applied between x and y the voltmeter readings are VA A) [...]
A,B and C are the parallel sided transparent media of refractive index n1,n2 and n3 respectively. They are arranged as shown in the figure. A ray is incident at an angle θ on the surface of separation of A and B which is as shown in the figure. After the refraction into the medium B, the ray grazes the surface of separation of the media B and C. Then, Sinθ =
08
Nov
A,B and C are the parallel sided transparent media of refractive index n1,n2 and n3 respectively. They are arranged as shown in the figure. A ray is incident at an angle θ on the surface of separation of A and B which is as shown in the figure. After the refraction into the medium B, [...]
A, B, C, D, E , and F are conducting plates each of area A , and any two consecutive plates are seperated by a distance d. The net energy stored in the system after the switch S is closed is
08
Nov
A, B, C, D, E , and F are conducting plates each of area A , and any two consecutive plates are seperated by a distance d. The net energy stored in the system after the switch S is closed is -e A) and any two consecutive plates are seperated by a distance d. The [...]