WorksheetsElectric Field Strength
Total questions: 10
Worksheet time: 3hrs 30mins
An electrostatic force of 20 N is exerted on a charge of 8.0 x 10-2 C at point P in an electric field. What is the magnitude of the electric field intensity at P?
1.6 N/C
20. N/C
2.5 x 102 N/C
4.0 x 10-3 N/C
An object with a net charge of 4.80 x 10-6 C experiences an electrostatic force having a magnitude of 6.00 x 10-2 N when placed near a negatively charged metal sphere. What is the electric field strength at this location?
2.88 x 10-8 N/C directed toward the sphere
1.25 x 104 N/C directed toward the sphere
2.88 x 10-8 N/C directed away from the sphere
1.25 x 104 N/C directed away from the sphere
A point charge of 0.003 C is far away from other charges. At a distance of 0.5 m from the charge, what is the magnitude of the electric field strength?
5.4 x 10^7 [N/C]
1.08 x 10^8 [N/C]
3.375 x 10^6 [N/C]
10 [N/C]
An electrostatic force of 2 X 102 N is exerted on a charge of 4 C at point P in an electric field. The magnitude of the electric field intensity at P is
8 X 102 N/C
5 N/C
2 X 10-2 N/C
50 N/C
What is the magnitude of the electric field intensity at a point where a proton experiences an electrostatic force of magnitude 2.30 x 10-25 N? Hint: The charge of a proton is 1.602 x 10-19 C.
1.44 x 10-6 N/C
3.68 x 106 N/C
1.44 x 1044 N/C
3.68 x 10-44 N/C
The force acting on a charge of 20 μC is 4 N. Determine the field strength at this point.
200 000 N/C
100 000 N/C
50 000 N/C
150 000 N/C
180 000 N/C
At what distance from the charge is 8 μC the field strength is
800 x 103 N / C?
0.3 m
0.5 m
0.7 m
0.2 m
A positive charge of 1.5 x10-8 C experiences a force of 0.025 N to the left in an electric field. What is the magnitude of the field?
1.7 x 106 N/C
2.0 x 106 N/C
3.4 x 106 N/C
1 x 106 N/C
