Question

Right hand thumb rule?!​

Answer 1

Answer:

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Right hand thumb rule states that if the thumb of right hand points along direction of current , then the remaining curled fingers gives the direction of the magnetic field lines.

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Answer 2

Answer:

In mathematics and physics, the right-hand rule is a common mnemonic for understanding orientation of axes in three-dimensional space. Most of the various left- and right-hand rules arise from the fact that the three axes of three-dimensional space have two possible orientations.

The right-hand rule imposes the following procedure for choosing one of the two directions. With the thumb, index, and middle fingers at right angles to each other (with the index finger pointed straight), the middle finger points in the direction of c when the thumb represents a and the index finger represents b.