Charge
What is the charge (in elementary charges) of a proton?
+1e
Fill in the blank: Conduction is the process of charging an object through ________.
"contact" or "touching"
What is Coulomb's Law
Fe = kq1q2/r^2
What is the electric field strength equation?
What is the charge (in coulombs) of an electron?
-1.6x10^-19 C
If a neutral object becomes positively charged after coming in contact with another object, has the neutral object:
a) gained electrons
b) lost electrons
c) gained protons
d) lost protons
b) lost electrons
As two charged objects move farther apart, what happens to the electrostatic force between them?
It decreases
Which direction will electric field lines point when there is a positive and a negative charge present?
From positive to negative
What is the charge (in elementary charges) of an object containing an excess of 72 electrons?
-72e
If an object gains electrons after coming in contact with another object, the other object:
a) became more negative
b) became more positive
c) had no change in charge
b) became more positive (lost electrons)
As the magnitude of a charge increases, what happens to the electrostatic force it exerts on another charged object?
It increases
True or false: Electric field lines may cross each other in certain scenarios.
FALSE!!!! NEVER!!
What is the charge (in coulombs) of an object containing an excess of 10 protons?
+1.6x10^-18 C
If an object with an excess of 2 protons comes in contact with an object with an excess of 4 electrons, what will their charges be (in elementary charges) after they are separated?
-1e
What is the electrostatic constant, k?
k=8.99x10^9 Nm^2/C^2 (9x10^9 Nm^2/C^2)
What is the electric field strength at a point where a charge of 1.4 C experiences a force of 0.050 N?
0.036 N/C
What is the charge (in coulombs) of an object containing 25 protons and 12 electrons?
2.08x10^-18 C (or 2.1x10^-18 C)
If an object with an excess of 5 electrons comes in contact with an object with an excess of 7 electrons, what will be their charge (in coulombs) after they are separated?
-9.6x10^-19 C
Two objects that each have a charge of +6 C are separated by a distance of 1.5 meters. What is the electrostatic force that each exerts on the other?
Fe = 1.44x10^11 N
What is the force felt by a 5.6 C charge in an electric field whose strength is 200 N/C?
1120 N