What is field coils?
field coils generally refer to the electromagnetic coils on the stator ( the stationary part of an electric motor ). these generate the magnetic field(s) necessary to put the rotor ( the rotating part of the motor ) into motion.
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Magnetic field strength in a coil can be measured from the equation :-F=I*B*L\nWhere,\nf=magnitude of Lorentz Force\nI=Current Flowing Through the Coil\nL=Length of the wire\n…THE UNIT MAGNETIC FIELD STRENGTH IS 'TESLA' or Weber per metre sq.
compressing a coil in a magnetic field means that there is arelative movement of the the said coil existing in a magneticfield, hence current will be induced. induction law. … Another Answer 'Current' is not induced into a coil. It's voltage that's induced; if the coil forms a closed loop, then current willflow; if there is no closed loop, then no current will flow. The induced voltage results from either a change in currentthrough the coil, or from the relative movement between thecoil and an external magnetic field.
If the coil encloses an iron rod, then the magnetic field strengthinside a current-carrying coil will be increased. This occursbecause the air path in the coil is made shorter… by putting in therod. This in turn causes an increase in the field.
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The easiest way would be to increase the current flow. After that use thicker wire for the coil or add more turns.
Read less than 1 ohm
That is known by different names, including coil, and inductance.
A: A speaker has a magnet and the wire is suspended in a zone by a cone whereby +/- current will make the coil move up or down moving the coil and moving the cone causing air …displacement as waves of pressure that our ears can detect as sounds in our brains.
Whenever a conductor passes through a magnetic field, a voltage ( not current!) is induced.
In Electricity and Magnetism
When a core is placed in the middle of the coil, the electromagnetism power of the coil will increase because the iron core is highly permeable.
In Electronics Engineering
kelvin double bridge
the direction of magnetic field is straight at the centre of fieldline.
Magnetic fields are produced by electric currents , which can be macroscopic currents in wires and that The easiest way would be to increase the current flow. After that use t…hicker wire for the coil
It is the flow of ELECTRICITY that makes the field in a coil.Therefore a coil of any conductor will make a field. Silver is aconductor.