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Popular Questions
- The magnetic field dB due to a small current element dl at a distance r and element carrying current i is
- If a long hollow copper pipe carries a direct current, the magnetic field associated with the current will be
- Two identical wires A and B, each of length L, carry the same current I
- A horizontal overhead power line is at a height of 4m from the ground and carries a current of 100 A from east to west
- a solenoid is 3.0 cm long
- Magnetic field at a distance r from an infinitely long straight conductor carrying a steady current varies as
- A vertical straight conductor carries a current vertically upwards
- In using Amperes law to find the magnetic field of a straight, long solenoid
- Two Coaxial solenoids of different radii carry current I in the same direction
- a loop of wire carrying a current of 2.0 A
- J.J Thomsons experiment involving
- a toroid has a sqaure cross section
- An electron gun G emits electrons of energy
- a coulomb is
- In a moving coil galvanometer torque on the coil
- A proton and a alpha particle are accelerated
- An electron in the ground state of hydrogen atom
- A uniform constant magnitude field B is directed
- in amperes law
- the magnetic field B inside a long
- A current of 10 A flows arround a closed path
- Three infinitely long thin wires, each carrying
- a constant current is sent through a helical
- the diagram shows three arrangement
- the magnetic field a distance 2 cm
- A wheel of radius R having charge Q, uniformly
- in amperes law
- a wire carrying a large current
- the diagram shows three equally spaced
- A long horizontal wire AB, which is free to move in a
- graph
- if the radius of a pair of
- a long straight cylindrical shell has inner radius
- two parallel wires carrying equal current
- the magnetic field at any point is given
- Helmholtz coils are commonly used in the
- A circular loop of radius R is bent along a diameter and given a
- the magnitude of the magnetic field
- four long straight wires carry
- if R is the distance from a magnetic
