sir, please help me in clearing my doubt----in EMI we have studied that for any circuit having variable current, produces magnetic flux and hence induces emf in opposte direction of that of current inside the circuit which is called self induction but sir if emf is induced in opposite direction to that of current then the actual value of current should be decreased.....does this ha[ppen

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AB is a current carrying conductor in the plane of the paper as shown in the figure below. (i) What is the direction of the magnetic field produced by it at point ‘X’? Write the statement of the rule used to find the direction of field lines. (ii) If the polarity of the battery connected to the wire is reversed, how would the direction of the magnetic field be changed? (iii) Point ‘X’ is at a distance r1 and point ‘Y’ is at a distance r2 (r1

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For minimum flux the angle between the magnetic field and normal to the surface is