WorksheetsElectric Charge, Force & Potential - SP5.a-c
Total questions: 20
Worksheet time: 14mins
When an object gains electrons it becomes __________
Neutral
Positively charged
Negatively charged
After a balloon is rubbed against wool, the two objects will ________ each other because they have ___________ charges
attract; like
attract, opposite
repel; like
repel; opposite
What is the end result of charging by contact?
Both object have the same charge, so they will attract one another
Both object have the same charge, so they will repel one another
Both object have the opposite charge, so they will attract one another
Both object have the opposite charge, so they will repel one another
What method of static charging is shown in this picture
Conduction
Friction
Grounding
Induction
Which electrostatics phenomena is shown in this picture?
Conduction
Friction
Grounding
Induction
Recap:
Coulomb’s law states that the force between two charged objects will __________ when the magnitude of the object’s charge increases.
Coulomb’s law also states that the force between two charged objects will __________ when the distance between objects increases.
increase; increase
increase; decrease
decrease; increase
decrease; decrease
The image shows two charged particles with a force of 2.4 N. What would you predict the force of interaction would be when the distance doubles?
4.8 N
1.2 N
.6 N
.3 N
The image shows two charged particles with a force of 2.4 N. What would you predict the force of interaction would be when the magnitude of charge on q2 doubles?
9.6 N
4.8 N
1.2 N
.6 N
Two charged spheres of radii 10 cm and 15 cm are connected by a thin wire. No current will flow, if they have
The same charge on each
The same energy
The same potential
The same field on their surfaces
Two charge +Q and -Q are situated at a certain distance. At the point exactly midway between them
Electric field and potential both are zero
Electric field is zero but potential is not zero
Electric field is not zero but potential is zero
Neither electric field nor potential is zero
This model of the balloon shows ______ positive charges than negative charges. So this balloon is _____ charged.
fewer/positively
more/positively
fewer/negatively
more/negatively
Electric potential ____________ as distance increases.
Increases
Decreases
Remains Constant
Is 0
The difference in electrical potential energy between two places is called …………...
resistance
friction
induction
voltage
The direction of electric field lines shows the
direction of the force on a test positive charge.
size of the field.
strength of the field.
all of the above
When work is done on a positive test charge by an external force to move it from one location to another, potential energy _________ (increases, decreases) and electric potential _________ (increases, decreases).
increases, increases
increases, decreases
decreases, increases
decreases, decreases
