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WorksheetsPractice Questions - Electric Fields
Total questions: 11
Worksheet time: 21mins
What units are used to measure Electric Fields?
Newtons
Coulombs
N/C
Volts
Find the magnitude of the electric field 1.0 meter away from an electric charge of 1.0 C. Use k = 9 x 10^9 (Nm^2/C^2)
9 x 10^19 N/C
9 x 10^9 N/C
1.1 x10^10 N/C
1.1x 10^-10 N/C
The strength of the electric field 4 cm away from a negative charge is 800 N/C. What is the strength of the electric field 1 cm away from the charge?
50 N/C
200 N/C
3.2 x 10^3 N/C
12.8 x 10^3 N/C
Object A with a charge of 3 C generates an electric field that exerts a force of 30 N on a charged Object B. What force would be exerted on Object B if the charge on Object A increased to 5 C.
15 N
35 N
50 N
60 N
An atom of oxygen has 8 protons and 10 electrons, this means the atom is ____________
positively charged because it has excess electrons
negatively charged because it has excess electrons
positively charged because it has a deficiency of electrons
negatively charged because it has a deficiency of electrons
