SLTC - FINAL EXAM NEWEST 2026 UPDATED
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
What do all atoms contain? - CORRECT ANSWER >>>protons, neutrons, electrons
Protons are ______ charged - CORRECT ANSWER >>>positively
Electrons are _____ charged - CORRECT ANSWER >>>negatively
There are two important factors to understanding atoms: - CORRECT ANSWER >>>1. the law of
charges states that opposites attract an likes repel.
2. the law of centrifugal force states that a spinning object will pull away from its center point
and that the faster it spins the greater the force becomes.
What is the outermost shell of an atom? - CORRECT ANSWER >>>valence shell
What are the three categories of an atom? - CORRECT ANSWER >>>1. Conductors
2. Insulators
3. Semiconductors
How many valence electrons so conductors have? - CORRECT ANSWER >>>3 or less
How many valence electrons do insulators have? - CORRECT ANSWER >>>5 or more
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,How many valence electrons do semi-conductors have? - CORRECT ANSWER >>>4
True or False: One fundamental law of physics states that energy can be converted from one
form to another but can not be created nor destroyed. - CORRECT ANSWER >>>True
What are the 6 basic sources of energy that can be used to detach electrons from their orbits
and sustain current? - CORRECT ANSWER >>>1. Friction
2. Heat
3. Pressure
4. Chemical Reaction
5. Light
6. Magnetism
Which 4 sources of energy are used primarily in special applications? - CORRECT ANSWER >>>1.
Friction
2. Heat.
3. Pressure
4. Light
Which 2 sources of energy are more commonly used to produce large amounts of energy? -
CORRECT ANSWER >>>1. Chemical Reaction
2. Magnetism
True or False: Static electricity mean moving (lighting is static electricity) - CORRECT ANSWER
>>>False: Static electricity does not move (lighting still is static)
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, True or False: DC current does not change unless it is turned on or off. - CORRECT ANSWER
>>>True
True or False: AC currents never change direction in the electromagnetic field. - CORRECT
ANSWER >>>False: AC current changes direction many times per second in the electromagnetic
field.
Electrical current is the movement, or flow, of electrons. Current is measured in _______. -
CORRECT ANSWER >>>Amperes
True or False: One amp of current flows through a conductor when one coulomb flows past a
given point in one second. - CORRECT ANSWER >>>True
Voltage affects many things including: - CORRECT ANSWER >>>1. The amount of insulation
needed for a given power
2. The separation required between line conductors
3. Safe working practices
4. The types of tools needed
The rate of 1 joule of work in 1 second is the basic unit of power, and is called a ______. -
CORRECT ANSWER >>>Watt
A power level of 1 horse power is approximately equivalent to ______ watts. - CORRECT
ANSWER >>>746
The relationship between current, voltage, and resistance was described by Georg Simon Ohm
in a form that is commonly referred to as ______ ___. - CORRECT ANSWER >>>Ohm's Law
Power (watts) is calculated by multiplying _______ times _______. - CORRECT ANSWER
>>>Voltage and Amps
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QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
What do all atoms contain? - CORRECT ANSWER >>>protons, neutrons, electrons
Protons are ______ charged - CORRECT ANSWER >>>positively
Electrons are _____ charged - CORRECT ANSWER >>>negatively
There are two important factors to understanding atoms: - CORRECT ANSWER >>>1. the law of
charges states that opposites attract an likes repel.
2. the law of centrifugal force states that a spinning object will pull away from its center point
and that the faster it spins the greater the force becomes.
What is the outermost shell of an atom? - CORRECT ANSWER >>>valence shell
What are the three categories of an atom? - CORRECT ANSWER >>>1. Conductors
2. Insulators
3. Semiconductors
How many valence electrons so conductors have? - CORRECT ANSWER >>>3 or less
How many valence electrons do insulators have? - CORRECT ANSWER >>>5 or more
1|Page
,How many valence electrons do semi-conductors have? - CORRECT ANSWER >>>4
True or False: One fundamental law of physics states that energy can be converted from one
form to another but can not be created nor destroyed. - CORRECT ANSWER >>>True
What are the 6 basic sources of energy that can be used to detach electrons from their orbits
and sustain current? - CORRECT ANSWER >>>1. Friction
2. Heat
3. Pressure
4. Chemical Reaction
5. Light
6. Magnetism
Which 4 sources of energy are used primarily in special applications? - CORRECT ANSWER >>>1.
Friction
2. Heat.
3. Pressure
4. Light
Which 2 sources of energy are more commonly used to produce large amounts of energy? -
CORRECT ANSWER >>>1. Chemical Reaction
2. Magnetism
True or False: Static electricity mean moving (lighting is static electricity) - CORRECT ANSWER
>>>False: Static electricity does not move (lighting still is static)
2|Page
, True or False: DC current does not change unless it is turned on or off. - CORRECT ANSWER
>>>True
True or False: AC currents never change direction in the electromagnetic field. - CORRECT
ANSWER >>>False: AC current changes direction many times per second in the electromagnetic
field.
Electrical current is the movement, or flow, of electrons. Current is measured in _______. -
CORRECT ANSWER >>>Amperes
True or False: One amp of current flows through a conductor when one coulomb flows past a
given point in one second. - CORRECT ANSWER >>>True
Voltage affects many things including: - CORRECT ANSWER >>>1. The amount of insulation
needed for a given power
2. The separation required between line conductors
3. Safe working practices
4. The types of tools needed
The rate of 1 joule of work in 1 second is the basic unit of power, and is called a ______. -
CORRECT ANSWER >>>Watt
A power level of 1 horse power is approximately equivalent to ______ watts. - CORRECT
ANSWER >>>746
The relationship between current, voltage, and resistance was described by Georg Simon Ohm
in a form that is commonly referred to as ______ ___. - CORRECT ANSWER >>>Ohm's Law
Power (watts) is calculated by multiplying _______ times _______. - CORRECT ANSWER
>>>Voltage and Amps
3|Page
