Question

A magnetic field, confined in a cylindrical region of radius r, is changing at the rate of 4T/s. A
conducting rod PQ of length
$\sqrt{3 \div 2}$
R is placed in the region as shown. The induced emf across
the rod will be
${r }^{2} \div 6(\pi + x)v$
Find x​

Answer 1

x is 116 because all the calculations say so