JEE Mains Model Paper 13

Question : 17 of 90

Marks: +1, -0

There are two current carrying planar coils made each from identical wires of length L. C1 iscircular coil (radius R) and C2 is square (side a). They are so constructed that they have samefrequency of oscillation when they are placed in the same uniform magnetic field B and carrythe same current. Find a in terms of R.