Charge Interactions
This occurs when an object attracts or repels other object due to its electric field
Electrical Charge
Two objects can become _______ when rubbed together
Charged
This occurs when a charged object is brought into contact with a neutral object.
Charging by conduction
A circuit that has only a single path for a current to flow through is what type of circuit?
Series circuit
A circuit has a current of 3.6 A and a resistance of 5 ohms. What is the voltage applied to the circuit?
18V
Charge has the units of.....?
Coulombs
Objects that have more protons then electrons are considered....?
A) Negative
B) Positive
C) Electric
D) Neutral
B) Positive
This occurs when a charged object is brought near a neutral object.
Charging by induction
A circuit that has multiple paths that it can go through is what type of circuit?
Parallel circuit
A current of a circuit is 2.35 A and the resistance is 12.5 Ohms. What is the voltage applied to the circuit?
29.4V
The force that attracts or repels charges
Electrical Force
Objects are generally ______ until they are electrically charged
Neutral
Two examples of insulators are:
A) Copper & Steel
B) Silver & Steel
C) Wood & Rubber
D) Glass & Aluminum
C) Wood & Rubber
Current is measured in Amperes. What is the formula?
I= V/R
A circuit has a voltage of 9 V and a current of 6.2 A. Calculate the resistance.
1.45 Ohms
The amount of force that charges apply on each other depends on the _______ of the charge and the distance between them
Magnitude
When creating charge, only the number of ________ that an object has changes
Electrons
Two of examples of conductors are:
A) Silver & Steel
B) Rubber & Copper
C) Toilet paper & Paper towel
D) Aluminum & Glass
A) Silver & Steel
Voltage is measured in Volts. What is the formula?
V= IR
The resistances of 3 resistors are 4, 8, & 12. The resistances are connected in a series circuit. What is the total sum?
24 Ohms
As charges move farther apart the force between them becomes?
A) Weaker
B) Farther
C) I don’t know
A) Weaker
The total number of charges does not change is called the.....?
Conservation of Charge
Which one heats up faster a conductor or insulator?
Conductor
Resistance is measured in Ohms. What is the formula?
R= V/I
A current of 6.0 A runs through a circuit for 2 1/2 minutes. How much charge was delivered to this circuit ?
15 C