CIRCUITS WORKSHEET
ASSESSMENT 3 – ELECTRICITY AND MAGNETISM - B
PHYSICS B
ELECTRIC CIRCUITS
Name ____________________________________ XXXXXXXXXXDate________________________
Solve the following electric circuit problems and show your solutions.
1. Determine the equivalent (total) resistance for each of the following circuits below. (3 pts.)
2. Determine the total voltage (electric potential) for each of the following circuits below. (2 pts.)
3. Fill out the table for the circuit diagramed at the right. (8 pts.)
Circuit
Position
Voltage (V) Cu
ent (A) Resistance (Ω)
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
Total 6.00
4. Fill out the table for the circuit diagramed at the right. (8 pts.)
Circuit
Position
Voltage (V) Cu
ent (A) Resistance (Ω)
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
Total 6.00
5. Fill out the table for the circuit diagramed at the right. (8 pts.)
Circuit
Position
Voltage (V) Cu
ent (A) Resistance (Ω)
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
Total 6.00
Questions 6 and 7 refer to the following:
The diagram to the right represents an electric
circuit consisting of four resistors and a 12-volt
attery.
6) What is the equivalent resistance of the circuit shown? (3 pts.)
7) What is the cu
ent measured by ammeter A shown in the diagram? (2 pts.)
Questions 8 and 9 refer to the following:
A 50.-ohm resistor, an unknown resistor R, a 120-volt source, and an ammeter are connected in a complete
circuit. The ammeter reads 0.50 ampere.
8) Calculate the equivalent resistance of the circuit shown. (3 pts.)
9) Determine the resistance of resistor R shown in the diagram. (3 pts.)
PHYSICS B
Assessment 3 – Electricity and Magnetism - A
Answer or solve the following questions or problems. Type your answers on a word document or write
your solutions on a separate sheet of paper and save your work and submit this thru Buzz.
1.
Which of the following would be an example of charging by friction?
ru
ing a piece of fur on a balloon
touching a charged comb to a neutral comb
inging a charged rod close to a neutral balloon
polarizing a rod by
inging a charged object close to it
2.
Charging an object involves the moving of _____.
electrons
protons
neutrons
atoms
3.
Grounding is an example of what method of charging?
friction
conduction
induction
4.
Which of the following is evidence of static electricity? Mark all that apply.
a spark travels between two objects
two objects repel each other
two objects attract one another
an object glows
5.
Which ranking co
ectly places the charges of subatomic particles in order from positive to
negative charge?
Protons, Neutrons, Electrons
Neutrons, Protons, Electrons
Electrons, Neutrons, Protons
Electrons, Protons, Neutrons
6.
A child slides down a slide in the park and builds up electrons. When the parent picks the
child up they feel a zap. Which statements below co
ectly describe this charging?
Sliding is charging by friction and zapping is charging by conduction.
Sliding is charging by friction and zapping is charging by induction.
Sliding is charging by induction and zapping is charging by conduction.
Sliding is charging by conduction and zapping is charging by conduction.
11.
What is the electrostatic force between two +0.5 C charges that are half a meter apart?
(Coulomb’s constant is 9.0 × 109 Nm2/C2)
+9.0 × 10
9 N
+9.0 × 10
7 N
-9.0 × 10
9 N
-9.0 × 10
7 N
12.
One electron is separated from another electron by a distance, d. The electrostatic force
etween them is +5.77 x 10-25 newtons. How far apart are they? (Coulomb’s constant is 9.0
× 109 Nm2/C2; e = XXXXXXXXXXx 10-19 C)
0.020 cm
50. cm
5.0 x 10
7 cm
2.0 x 10
-5 cm
13.
When is it possible to have a negative electrostatic force, and a positive electric field?
When a negative test charge is placed near a positive charge.
When a positive test charge is placed near a positive charge.
When a negative test charge is placed near negative charge.
When a positive test charge is placed near a negative charge.
14.
Two balls are close together. They have the same charges, the same masses, and the
charges are the same as the masses. Which force is stronger?
Electrostatic Force
Gravitational Force
They are equal
Impossible to tell
15.
Which statement best describes the electrostatic force and the electric field?
The electrostatic force requires two charges and the electric field is intrinsic to one
charge.
The electrostatic force is intrinsic to one charge and the electric field requires two
charges.
The electrostatic force is intrinsic to one charge and electric field is intrinsic to one
charge.
The electrostatic force requires two charges and the electric field requires two charges.