Two long straight wires of telephone circuit inside a house are coplanar with and run parallel to a third long straight conductor that carries a current isin(wt) .The wires are at a distance of d1 and d2 from the conductor. The conductor induce a noise in the telephone circuit. What is the rms voltage per unit length of this induced emf? Take d2 =2d1 ,

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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

formula of c in curies temperature please ansewr i am waiting for the answer

Describe in operation electro dynamic whattmetermeter

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