Ig = 8% * I .what is 'S'(shunt) connected in terms of G

Ig = 8% * I .what is ‘S’(shunt) connected in terms of G.
Ans. 2G/23
Ques 6. 3 charge +q kept at corner of equilateral triangle of side a,
what would be it’s total electrostatic potential energy (in terms of k)
Ans. 3kq2/r
Ques 7. time period of SHM is 2s with mass m, additional mass 40
gram added time period increase by 3s what is m(in gram)
Ans. 32 gram