Electric field intensity and potential difference - Jamb Physics Past Questions and Answers

Question 6:

• JAMB 2005

The electric field intensity in a place where a charge of 10^-10c experiences a force of 0.4N is?

A. 4.0 x 10⁷ NC^-1
B. 8.0 x 10⁹ NC^-1
C. 8.O x 10^-12 NC^-1
D. 4.0 x 10⁹ NC^-1

Question 7:

• JAMB 2013

Calculate the force acting on an electron of charge 1.5 x 10^-19C placed in an electric field of intensity 10⁵Vm^-1

A. 1.5x10^-11N
B. 1.5x10^-12N
C. 1.5x10^-13N
D. 1.5x10^-14N

Question 8:

• JAMB 2017

Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of 35cm.

A. 18.57NC\(^{-1}\)
B. 53.06N C\(^{-1}\)
C. 2.28NC\(^{-1}\)
D. 0.80NC\(^{-1}\)