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Two straight, parallel, current-carrying wires separated by a distance of 5cm contain the same 1000 A current, flowing in similar directions. Determine the force per unit length exerted by the two wires.
A 5cm long solenoid has 1500 turns of wire and carries a current of 7 A. Calculate the magnetic field at the center of the solenoid.
A long horizontal wire contains a current such that 9.0✕1018 electrons per second flow through any given point from left to right. Determine the (a)current and (b)magnitude of the field of the long wire at a point 10 mm parallel to it in the north
An electron is moving east at 5x106 m/s. Determine the magnetic field from a point north east with a distance of 5cm.
A proton is moving east at 4x106 m/s. Calculate the strength of the magnetic field at a distance of 1cm north.
1. A current of 30A flows north on a 5m long wire and a current of 50A flows south on a 5m long wire. The two wires are 3cm apart. Calculate the magnitude of the magnetic force between the two wires.
What will happen to the dipole when it place inside the
uniform Electric Field
NOTE:. Your Assignment should cover following points
• What is a dipole
• what is force acting on dipole
• what is torque on dipole
• expression for potential energy of d
ipole
Consider that earth is a positively charge object having charge equals to its mass (6×1024C)
and the moon is a negativity charge particle of charge (7×1022C)
a) Find the coulomb force between them if the distance is 384,403 km
b) if sun, moon and earth are collinear and the distance between sun and the center of moon and
earth is 149,597,887 km find Electric Field at sun?
A soleniod 150 cm long with1550 turns has a central magnetic field of 150 mT. Find he current through the coil
If the magnitude of the magnetic field a distance R from a very long, straight, current carrying wire is B, at what distance from the wire will the field have magnitude 3B?
