Question

1.
Calculate the potential at a point P at a distance of 30 cm from a point charge
q= 20 uc​

Answer 1

Answer:

r=30cm= •3m

q= 20um=2×10^-5

v=1/4π€ q/r

v=9×10^9. ×2×10^-5/•3

v=18×10⁴ ×10^-1/3

v=6×10³volt

Explanation:

Answer 2

Answer:

r=30cm= •3m

q= 20um=2×10^-5

v=1/4π€ q/r

v=9×10^9. ×2×10^-5/•3

v=18×10⁴ ×10^-1/3

v=6×10³volt

Explanation: