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Subjects
Science State Board
Class 9
Magnetism and electromagnetism
The properties, effects and applications
5.
Laws and rules
Exercise condition:
3
m.
Choose the correct answer
1
.
The direction of magnetic lines around a current-carrying conductor is found by using__________.
Fleming's left-hand rule
Fleming's right-hand rule
Right-hand thumb rule
2
.
When a current-carrying conductor is placed in a magnetic field, it is also deflected. Who found this phenomenon?
Michael Faraday
H.A. Lorentz
Hans christian Oersted
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