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Worksheets3rd Quarterly Assessment in GENERAL PHYSICS 2
Total questions: 40
Worksheet time: 20mins
Which two particles are attracted to each other?
An electron and a neutron
A proton and an electron
A repulsive force exists between which two particles?
Two protons
Two neutrons
As two oppositely charged particles approach each other, what happens to the electrical force between them?
The attractive force increases
The magnitude of their charges increases
A balloon is rubbed on a student's head. What occurs because of this?
Charged particles on the balloon are destroyed
Negatively charged particles move from head to balloon
When distance increases, electrostatic force ____________; we call this relationship ____________ proportional
increases; directly
decreases;inversely
The Electric Force is strongest when charges are...
close together
far apart
Which is the value of the constant in Coulomb's equation?
k = 9 ·109
k = 9·10-9
Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart?
9^-9 N
9^9 N
What variable is a Coulomb the unit for?
Charge
Force
Which two particles are attracted to each other?
A proton and an electron
An electron and a neutron
A repulsive force exists between which two particles?
Two protons
Two neutrons
As two oppositely charged particles approach each other, what happens to the electrical force between them?
The attractive force increases
The repulsive force increases
The Electric Force is strongest when charges are...
close together
far apart
If one of the charges doubles, what happens to the force?
it quadruples
it doubles
What variable do "Newtons" represent?
Electrostatic Charge
Force
How do electrons differ from protons?
Electrons hold a negative charge and protons hold a positive charge.
Electrons are positively charged and protons are negatively charged.
A 5 C and 8 C are 8 m apart. What is the force between them?
5.625 x 109
5.625 x 10-9
A 5 C and 8 C charge give off a force of 2.5 x 109 N. What is the distance between them?
121 m
12 m
Two charges of equal magnitude give off a force of -441000 N when they are 1000 m away from each other. What are the charges magnitude?
7
11
A charge of 3 C is 27 m away from another charge. They exert a force of -2.59 x 108 N on each other. What is the 2nd charge?
-7 C
7 C
A charge of 4 C and -7 C are 200 m apart. What is the force between them?
6.3 x 106
-6.3 x 106
Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart?
9^-9 N
9^9 N
A point charge of +3.0 X 10-7 coulomb is placed 2.0 X 10-2 meter from a second point charge of +4.0 X 10-7 coulomb. What is the magnitude of the electrostatic force on the charges?
5.4 X 10-2 N
2.7 N
What unit is used to measure voltage?
Volts
Ohms
What unit is used to measure current?
Ohms
Amps
What unit is used to measure resistance?
Ohms
Amps
Which is the right form of Ohm's Law?
I=V/R
I=R/V
What is not needed in order to create a working circuit?
battery (power source)
current
lightbulb
closed circuit
What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?
12 V
21 V
What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?
4 A
0.4 A
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
3 ohms
9 ohms
What kind of circuit is this?
series
parallel
this circuit is .....?
open
close
parallel
series
When all parts of the circuit are connected it is a ______ circuit.
open
closed
The picture shows an electrical circuit. This circuit is a series circuit because:
The same current flows through all three light bulbs.
The electrical current has more than one path to flow through
In a Series circuit the more lightbulbs you add the brighter they get
False
True
What is a Parallel circuit?
Has more than one path
Allows energy to travel through easily
What are the 3 basic components of a circuit?
Energy source, Load, Energy Pathway (wire)
Battery, Energy source, Energy Pathway (wire)
As the resistance of a circuit increases, the current will...
increase
decrease
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
10 V
25 V
