An electron enters a magnetic field at right angle to it as shown in figure. The direction of the force acting on the electron will be |
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(a) |
an electromagnet to rotate the armature |
(b) |
effectively large no. of turns of conducting wire in the current carrying coil |
(c) |
a permanent magnet to create the armature |
(d) |
a soft iron core on which the coil is wound |
An electron enters a magnetic field at right angle to it as shown in figure. The direction of the force acting on the electron will be |
|||
(a) |
an electromagnet to rotate the armature |
(b) |
effectively large no. of turns of conducting wire in the current carrying coil |
(c) |
a permanent magnet to create the armature |
(d) |
a soft iron core on which the coil is wound |