Question
questions on electric fields
Problem 5(4.o0 points) The theoretical distance of an electron (in its ground state) from the proton nucleus in hydrogen called the Bohr Radius, which is approximately 5.29 × 10-11 m, what is the electric force of the proton on the electron at this distance? .6 10 8.26 x 10-8N B) 5.15 x 1011 N C) 4.37 x 10-18 N D) 2.06 x 1o-8N E) 2.73 x 101 N 5, 24-id 8.233 10 Use the following image for problems 6-8 400 V -200 V -50 V o V +200 V Problem 6(4.oopoints) The sketch shows cross sections of equipotential surfaces between two charged conductors. Points H. What is the magnitude of on the equipotential surfaces near the conductors are labeled A, B, the potential difference between points A and G? A) 200 V B) 100V C) 400V D) 700 V E) 600 V --
Explanation / Answer
Problem 5)
electric force = K*e^2/R^2
Given : R = 5.29x10-11m
e = 1.6*10^(-19)
so we get
F = 8.26*10^(-8) N
Option (A) is correct
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