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Potential energy v/s position curve for one dimensional conservative field is shown. Force at A and B is respectively.
19
Oct
Potential energy v/s position curve for one dimensional conservative field is shown. Force at A and B is respectively. Potential energy v/s position curve for one dimensional conservative field is shown. Force at A and B is respectively. October 19, 2020 Category: Arihant Physics by D.C Pandey , Chapter 6 - Work, Energy and Power [...]
A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. the height of its fall before touching the spring the if the maximum compression of the spring the equal to 3mg/k is
19
Oct
A body of mass m dropped from a certain height strikes a light vertical fixed spring of stiffness k. the height of its fall before touching the spring the if the maximum compression of the spring the equal to 3mg/k is A block of mass m is suspended by a light thread from an elevator. [...]
The graph between the resistive force F acting on a body and the distance covered by the body is shown in the figure. The mass of the body is 25 kg and initial velocity is 2m/s. When the distance covered by the body is 4m, its kinetic energy would be
19
Oct
The graph between the resistive force F acting on a body and the distance covered by the body is shown in the figure. The mass of the body is 25 kg and initial velocity is 2m/s. When the distance covered by the body is 4m, its kinetic energy would be A block of mass m [...]
Two identical conductors P and Q are placed on two friction less rails R and S in a uniform magnetic field directed into the plane. If P is moved in the direction shown in figure with a constant speed, then rod Q
19
Oct
Two identical conductors P and Q are placed on two friction less rails R and S in a uniform magnetic field directed into the plane. If P is moved in the direction shown in figure with a constant speed, then rod Q then rod Q Two identical conductors P and Q are placed on two [...]
Figure. shows three regions of magnetic field each of area A, and in each rigion, magnitude of mqagnetic field decreases rate α. If E→ is the induced electric field, then the value of the line ∮E .dr along the given loop is equal to
19
Oct
Figure. shows three regions of magnetic field each of area A, and in each rigion, magnitude of mqagnetic field decreases rate α. If E→ is the induced electric field, then the value of the line ∮E .dr along the given loop is equal to and in each rigion Figure. shows three regions of magnetic field [...]
An electron moves on a straight line path YY’ as shown in figure. A coil is kept on the right such that YY’ is the plane of the coil. At the instant when the electron gets closest to the coil (neglect self-induction of the coil)
19
Oct
An electron moves on a straight line path YY’ as shown in figure. A coil is kept on the right such that YY’ is the plane of the coil. At the instant when the electron gets closest to the coil (neglect self-induction of the coil) A square coil ACDE with its plane vertical is released [...]
A rod lies across frictionless rails in a uniform magnetic field B as shown in figure. The rid moves to the right with speed V. In order to make the induced emf in the circuit to be zero, the magnitude of the magnetic field should
19
Oct
A rod lies across frictionless rails in a uniform magnetic field B as shown in figure. The rid moves to the right with speed V. In order to make the induced emf in the circuit to be zero, the magnitude of the magnetic field should A rod lies across frictionless rails in a uniform magnetic [...]
The four wire loops shown in figure have vertical edge lengths of either L,2L or 3L. They will move with the same speed into a region of uniform magnetic field B directed out of the page. Rank them according to the maximum magnitude of the induced emf greatest to least.
19
Oct
The four wire loops shown in figure have vertical edge lengths of either L,2L or 3L. They will move with the same speed into a region of uniform magnetic field B directed out of the page. Rank them according to the maximum magnitude of the induced emf greatest to least. 2L or 3L. They will [...]
A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current ‘I’. The distance between the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?
19
Oct
A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current ‘I’. The distance between the wire and the left side of the loop is r. The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the [...]
A long conducting wire AH is moved over a conducting triangular wire CDE with a constant velocity v in a uniform magnetic field B directed into the plane of the paper. Resistance per unit length of each wire is ρ. Then
19
Oct
A long conducting wire AH is moved over a conducting triangular wire CDE with a constant velocity v in a uniform magnetic field B directed into the plane of the paper. Resistance per unit length of each wire is ρ. Then a particle having charge q is placed at a point P outside the cylindrical [...]