Question

Hello, Can you explain figure 22.11 mathematically ? when the radius was increased by 2 , the area on the 2R is projected as 4 dA

Test Your 22.3 Gauss's Law e cards's augotin and cala Peint Charge leside a Spherical Surface enclosing a definitc vollumc) is proportional to the total ct clectric ch s gives by tr% flus is the poolu t of the sphere teld magnitude E and tul .na A. 4r㎡ of

Answer 1

ewe surfate anea Fes same selid angle increage the anea four meg