What if it wasn’t?
She smiled. Tomorrow, she’d show Vikram. Not to prove him wrong. satya prakash electricity and magnetism pdf
Her hands trembled. She turned to the front matter of the Satya Prakash. In the preface, the author had written a line she’d always ignored: “The student will note that the method of images assumes instantaneous rearrangement of surface charge. The physical implications of this assumption are left as an exercise to the thoughtful reader.” What if it wasn’t
She’d solved it a thousand times. Method of images: place an image charge q’ = -qR/d at distance b = R²/d from the center. Force = attractive, proportional to 1/(d² - R²)². Done. Not to prove him wrong
Except this time, the numbers didn’t close.
The problem was problem 3.17 in the old Satya Prakash textbook—the dog-eared, coffee-stained, 1987 edition her own professor had gifted her. It read: