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The figure shows an insulated copper wire AB made into a coil. Suppose current flows from A to B through this.a. What will be the direction of electron flow through it?b. Can you find out the direction of the j magnetic field around the conductor AB? State the rule that substantiates this.c. Explain how you can find out the direction of the magnetic field inside the coil, |
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Answer» a. From B to A b. The magnetic field across the conductor AB can be formed out. The direction of the magnetic field will be below the table, The rule which helps to find out this is the right hand thumb rule. According to Right Hand Thumb Rule of James Clark Maxwell holding a current carrying conductor with the right hand in such a way, that the thumb points in the direction of the current, I The direction in which the other fingers j encircle the conductor gives the direction of the magnetic field. c. The direction of current flow in the coil will 1 be from B to A. That is when viewed from top in the clockwise direction so the direction of magnetic field lines will be from outside to inside the coil. |
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