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Electricity Science Flashcards | StudBud
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Electricity Science
Electricity Science
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1
In a series circuit, electrons only have one circuit path to follow.
False
True
2
Ohm's law shows the relationship between voltage, resistance, and temperature.
True
False
3
An atom becomes ionized when it gains or loses a(n) _________.
ion
electron
nucleus
proton
4
How much current will a 24 ohm resistor connected to a 6V source produce?
4A
0.25A
144A
28A
5
How much voltage is required to force 3 amps through a resistance of 36 Ohms?
126V
108V
72V
12V
6
A 5 kohm resistance connected to a 100-volt source will produce how much current?
50A
0.02A
2A
500A
7
A meter indicates 5A in a simple circuit connected to a 12V source. How much resistance is present?
2.4 ohms
60 ohms
17 ohms
0.42 ohms
8
The coulomb is used to measure electrical charge.
True
False
9
A 6V battery is connected to a 240 ohm lamp. What is the expected amount of amps produced by this circuit?
0.025A
25A
0.004A
40A
10
What charge does a neutron display?
negative
neutral
positive
none of the above
11
Electrical charge can only be transferred through conduction.
False
True
12
How much voltage is needed to produce a current of 50 uA through a resistance of 1Kohm?
5V
0.5V
0.05V
500V
13
16,000V can also be expressed as ______.
15 uV
16 mV
16 MV
16 kV
14
A(n) ___________ is a substance that has been broken down to it's purest form.
element
molecule
matter
compound
15
A compound can be reduced to it's individual elements.
True
False
16
How much current will a 12V car battery produce when connected to a lamp with a 600 ohm resistance value?
0.02A
50A
20A
120A
17
Electron flow theory states that electrons flow from negative to positive.
False
True
18
The _____ of an element refers to the number of protons or electrons that make up an atom of that element.
electrostatic field
compound
atomic number
atomic weight
19
The field of force surrounding a charged body is called the _______.
electrostatic field
static electricity
electrostatic precipitator
atomic weight
20
A semiconductor is considered neither a good nor bad conductor of electricity.
False
True
21
0.005 volts can also be expressed as ______.
5 kV
5 MV
5 uV
5 mV
22
An atom's nucleus is composed of neutrons and _______.
protons
electrons
elements
none of the above
23
A standard battery is an example of an alternating current (AC) power source.
True
False
24
The law of charges states that like charges attract and opposite charges repel.
False
True
25
A load can convert the electrical energy produced in a circuit to ______.
all of the above
magnetism
heat
light