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A magnet of pole strength m is divided into 4 equal parts so that the length and breadth of each part is half that of the original magnet. The pole strength of each of the magnet is
18
Oct
A magnet of pole strength m is divided into 4 equal parts so that the length and breadth of each part is half that of the original magnet. The pole strength of each of the magnet is A magnet of pole strength m is divided into 4 equal parts so that the length and breadth [...]
Assume that each iron atom has a permanent magnetic moment equal to 2 Bohr magnets (1 Bohr mag ≠ nequals 9.27 × 10^−24 Am^2). The density of atoms in iron is 8.52 × 10^2 8a msm^−3. (a) Find the maximum magnetization I in a long cylinder of iron. (b) Find the maximum magnetic field B on the axis inside the cylinder.
18
Oct
Assume that each iron atom has a permanent magnetic moment equal to 2 Bohr magnets (1 Bohr mag ≠ nequals 9.27 × 10^−24 Am^2). The density of atoms in iron is 8.52 × 10^2 8a msm^−3. (a) Find the maximum magnetization I in a long cylinder of iron. (b) Find the maximum magnetic field B [...]
Starting from rest a particle moves in a straight line with acceleration a=[2+∣t−2∣]m/s^2 Velocity(in m/s) of particle at the end of 4s will be
18
Oct
Starting from rest a particle moves in a straight line with acceleration a=[2+∣t−2∣]m/s^2 Velocity(in m/s) of particle at the end of 4s will be Starting from rest a particle moves in a straight line with acceleration a=[2+∣t−2∣]m/s^2 Velocity(in m/s) of particle at the end of 4s will be October 18, 2020 Category: Arihant Physics by [...]
A car 2 m long and 3 m wide is moving at 10m/s. when a bullet hits in a direction making an angle of tan^-(3/4) with the car as seen from ground . The bullet enters one edge of the car at the corner passes out at diagonally opposite corner neglecting gravity , the time for the bullet to cross the car is?
18
Oct
A car 2 m long and 3 m wide is moving at 10m/s. when a bullet hits in a direction making an angle of tan^-(3/4) with the car as seen from ground . The bullet enters one edge of the car at the corner passes out at diagonally opposite corner neglecting gravity , the time [...]
A particle is moving in x−y plane with y=x/2 and Vx = 4−2t. The displacement versus time graph of the particle would be
18
Oct
A particle is moving in x−y plane with y=x/2 and Vx = 4−2t. The displacement versus time graph of the particle would be A particle is moving in x−y plane with y=x/2 and Vx = 4−2t. The displacement versus time graph of the particle would be October 18, 2020 Category: Arihant Physics by D.C Pandey [...]
A horizontal wind is blowing with a velocity v towards north-east. A man starts running towards north with acceleration a. The time after which man will feel the wind blowing towards east is
18
Oct
A horizontal wind is blowing with a velocity v towards north-east. A man starts running towards north with acceleration a. The time after which man will feel the wind blowing towards east is A horizontal wind is blowing with a velocity v towards north-east. A man starts running towards north with acceleration a. The time [...]
Acceleration (a)-displacement(s) graph of a particle moving in a straight line is shown here. The initial velocity of the particle is zero. The v-s graph of the particle would be
18
Oct
Acceleration (a)-displacement(s) graph of a particle moving in a straight line is shown here. The initial velocity of the particle is zero. The v-s graph of the particle would be Acceleration (a)-displacement(s) graph of a particle moving in a straight line is shown here. The initial velocity of the particle is zero. The v-s graph [...]
Four rods each of length I have been hinged to form a rhombus. Vertex A is fixed to a rigid support, vertex C is being moved along the X− axis with a constant velocity v as shown in the figure. The rate at which vertex B is approaching the x− axis at the momentum the rhombus is in the form of a square is
18
Oct
Four rods each of length I have been hinged to form a rhombus. Vertex A is fixed to a rigid support, vertex C is being moved along the X− axis with a constant velocity v as shown in the figure. The rate at which vertex B is approaching the x− axis at the momentum the [...]
A particle moves in space along the path z = ax^3 + by^2 in such a way that dx/dt = c = dy/dt where a, b and c are constants. The acceleration of the particle is
18
Oct
A particle moves in space along the path z = ax^3 + by^2 in such a way that dx/dt = c = dy/dt where a, b and c are constants. The acceleration of the particle is A particle moves in space along the path z = ax^3 + by^2 in such a way that dx/dt [...]
A point mass starts moving in straight line with constant acceleration a from rest at t = 0. At time t = 2s, the acceleration changes the sign remaining the same in magnitude. The mass returns to the initial position at time t = t0 after start of motion. Here t0 is
18
Oct
A point mass starts moving in straight line with constant acceleration a from rest at t = 0. At time t = 2s, the acceleration changes the sign remaining the same in magnitude. The mass returns to the initial position at time t = t0 after start of motion. Here t0 is A point mass [...]