Question

He first right-hand rule relates which two quantities?

A.
current (thumb) to magnetic field (fingers)
B.
magnetic field (thumb) to current (fingers)
C.
current (thumb) to force (fingers)
D.
force (thumb) to current (fingers)
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Answer 1

A. current (thumb) to magnetic field (fingers)

Step-by-step explanation:

According to the Right-Hand Thumb rule, if we are holding a current- carrying straight conductor in our right hand such that the thumb points toward the direction of current, then the fingers will wrap around the conductor in the direction of the field lines of the magnetic field.

Hope it helps.

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Answer 2

Answer: A.

current (thumb) to magnetic field (fingers)