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Two identical wires A and B , each of length ‘l’, carry the same current I. Wire A is bent into a circle of radius R and wire B is bent to form a square of side ‘a’ . If BAandBB are the values of magnetic field at the centres of the circle and square respectively , then the ratio BA/BB is :
18
Oct
Two identical wires A and B , each of length ‘l’, carry the same current I. Wire A is bent into a circle of radius R and wire B is bent to form a square of side ‘a’ . If BAandBB are the values of magnetic field at the centres of the circle and square [...]
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are held by insulating threads of length L and are in equilibrium as shown in the gigure ,
both with current I ,
each of length 'l' ,
Two identical wires A and B ,
Two long current carrying thin wires ,
With threads making an angle θ with the vertical . If wires have mass λ per unit length then the value of I is : ,
Given V CM = 2 m/s, m = 2 kg, R = 4 m Find angular momentum of ring about origin if it is in pure rolling.
17
Oct
Given V CM = 2 m/s, m = 2 kg, R = 4 m Find angular momentum of ring about origin if it is in pure rolling. Given V CM = 2 m/s m = 2 kg R = 4 m Find angular momentum of ring about origin if it is in pure rolling. October [...]
What is the moment of inertia for a solid sphere w.r.t. a tangent touching to its surface?
17
Oct
What is the moment of inertia for a solid sphere w.r.t. a tangent touching to its surface? What is the moment of inertia for a solid sphere w.r.t. a tangent touching to its surface? October 17, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 11 - [...]
A disc of radius 20cm and mass half kg is rolling on an inclined plane. Find out friction force so that disc performs pure rolling.
17
Oct
A disc of radius 20cm and mass half kg is rolling on an inclined plane. Find out friction force so that disc performs pure rolling. A disc of radius 20cm and mass half kg is rolling on an inclined plane. Find out friction force so that disc performs pure rolling. October 17, 2020 Category: AIIMS [...]
Four holes of radius R are cut from a thin square plate of side 4R and mass M. The moment of inertia of the remaining portion about z-axis is
17
Oct
Four holes of radius R are cut from a thin square plate of side 4R and mass M. The moment of inertia of the remaining portion about z-axis is Four holes of radius R are cut from a thin square plate of side 4R and mass M. The moment of inertia of the remaining portion [...]
A thin wire of mass M and length L is bent to from a circular ring. The moment of inertia of this ring about its axis is :
17
Oct
A thin wire of mass M and length L is bent to from a circular ring. The moment of inertia of this ring about its axis is : A thin wire of mass M and length L is bent to from a circular ring. The moment of inertia of this ring about its axis is [...]
Side of an equilateral triangle is l. Three point masses, each of magnitude m, are placed at the three vertices of the triangle. Moment of inertia of this system about one side of the triangle as axis is given by
17
Oct
Side of an equilateral triangle is l. Three point masses, each of magnitude m, are placed at the three vertices of the triangle. Moment of inertia of this system about one side of the triangle as axis is given by are placed at the three vertices of the triangle. Moment of inertia of this system [...]
In the diagram shown below all three rods are of equal length L and equal mass M. The system is rotated such that rod B is the axis. What is the moment of inertia of the system?
17
Oct
In the diagram shown below all three rods are of equal length L and equal mass M. The system is rotated such that rod B is the axis. What is the moment of inertia of the system? In the diagram shown below all three rods are of equal length L and equal mass M. The [...]
If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform velocity of 1 m/s along a straight line on a horizontal floor, the kinetic energy is
17
Oct
If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform velocity of 1 m/s along a straight line on a horizontal floor, the kinetic energy is If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform velocity of 1 [...]
If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure, then:
17
Oct
If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure, then: If a street light of mass M is suspended from the end of a uniform rod of length L in different possible patterns as shown in figure [...]