The length of the active part of the conductor is 30 cm. The angle between the direction of the current and the induction
November 26, 2020 | education
| The length of the active part of the conductor is 30 cm. The angle between the direction of the current and the induction of the magnetic field is 90 °. What is the induction of the magnetic field acting on a conductor with a force of 7.2 N, if the current in it is 12 A?
given:
angle = 90 °
L = 30cm = 0.3 m
Fa = 7, 2 H
I = 12A
in =?
decision:
Fa = ILBsina- Ampere force
B = Fa / ILsin90 = 7, 2/12 × 0, 3 × 1 = 7, 2/3, 6 = 2 T
answer: 2 T
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