Lesson Objectives
By the end of the lesson learners will be able:
10.4.1.2 – to apply the left-hand rule and describe the effect of a magnetic field on moving charged particles and electrical conductor;
1
Ampere force and Lorentz force
Keywords
English | Russian | Kazakh |
Magnetic flux | ||
Magnetic flux density | ||
Permeability | ||
Fleming’s left hand rule | ||
Conventional current |
2
Professor Hans Christian Oersted
In 1820
‘’A compass needle moved when
it was close to a wire connected to a battery.’’
14
Force experienced by a charged particle (charge Q) moving with a velocity, v ,in a magnetic field of Flux density, B.
+
Q
Particle travels L metres from A to B in t seconds
F = B I L
F = BQv
16
+
F
F
THE FORCE IS ALWAYS PERPENDICULAR TO THE MOTION
THE PARTICLE MUST MOVE ALONG AN ARC OF A CIRCLE
+
17
Frequency of Rotation, f
+
The frequency ,f, is independent of the radius and the velocity
This is the principle of the CYCLOTRON
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