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WorksheetsEES 101 WK 3 COL Basics - Ohms Law
Total questions: 50
Worksheet time: 51mins
Find the current through a 12-ohm resistive circuit when 24 volts is applied.
(a)
For current to flow between two points, which of the conditions listed below must exist?
A. A difference in the quantity of electrons between 2 locations.
B. A path of conductive material between two points.
C. A magnetic field
Both A and B
Both A and C
A series circuit has _______ path(s) for current to flow. (a)
Find the resistance of a circuit that draws 0.06 amperes with 12 volts applied.
2 Amps
20 Amps
200 amps
200 ohms
Find the applied voltage of a telephone circuit that draws 0.017amperes through a resistance of 15,000 ohms.
255 volts
25.5 Volts
.255 watts
2555 Volts
What type of circuit is shown in this picture?
CLOSED CIRCUIT
OPEN CIRCUIT
SERIES CIRCUIT
An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.
60Ω
120Ω
180Ω
240Ω
Speakers need a household voltage of 110 V to push a current of 5.5 A through them. What is the
resistance of the speakers?
10Ω
20Ω
30Ω
40Ω
The relationship between current, resistance and voltage is stated in
Boyle's law
Ohm's law
Current's law
Charge's law
Electrons are....
positively charged
neutral
Negatively charged
Protons are....
positively charged
neutral
Negatively charged
To complete the circuit, a wire should be placed from —
Look at the diagram. What is the term for "C"?
Conductor
Switch
Transformer
Source
All of the following answers are true, except
Ohms is a measurement of resistance
Amperage is a measurement of current
As resistance increases amperage decrease
As voltage increase current decreases
What is an Alternating Current (AC)
Protons and Neutrons flow back and forth, negative (-) to positive (+) to negative (-)
Neutrons flow back and forth, negative (-) to positive (+) to negative (-)
Proton flow back and forth, negative (-) to positive (+) to negative (-)
Electrons flow back and forth, negative (-) to positive (+) to negative (-)
An Atom consist of what
Protons
Neutrons
Electrons
All of these
What are Electrons
Electrons rotate around the group of proton and neutrons
Electrons rotate around the group of Protons
Electrons rotate around the group of neutrons
Electrons rotate around the group of electrons
Ion particles occur when?
Ion particles occur when an atom loses or gains an proton causing an imbalance.
Ion particles occur when an atom loses or gains an neutron causing an imbalance.
Ion particles occur when an atom loses or gains an electron causing an imbalance.
Ion particles occur when an atom loses or gains electron causing balance.
What is a Direct Current (DC)
Electrons that flow in two directions
Electrons flow in only one direction
Protons that flow in one direction
Protons that flow in two directions
What is a voltage
Voltage is the electrical force that moves electrons through a conductor.
Voltage is the electrical force that moves protons through a conductor.
Voltage is the electrical force that moves neutrons through a conductor.
Voltage is the electrical force that selectrons through a conductor.
What is current ?
Current is the quantity or flow rate of protons moving past a point.
Current is the quantity or flow rate of neutrons moving past a point.
Current is the quantity or flow rate of electrons moving past a point.
Current is the quantity or flow rate of DNA moving past a point.
Allows electrons to flow easily, an example is metal.
Conductor
Insulator
Semiconductor
Free Electrons
An atom could have multiple valence Ring, the electrons in the outer most ring are called...
Ions
Free rings
Free bird
Free Electron
Rings that allow the electrons to orbit around the nucleus are called...
Valence Rings
Free Rings
Orbit Rings
Electron Rings
No Charge
Electrons
Protons
Nuetrons
Ions
Negativily Charged
Electrons
Protons
Nuetrons
Ions
Electricity is a flow of _ from atom to atom
Electrons
Protons
Nuetrons
Nucleus
An atom with 5 or more free electrons
Conductor
Insulator
Semiconductor
Free Electrons
An atom with 3 or less free electrons
Conductor
Insulator
Semiconductor
Free Electrons
An atom with 4 free electrons
Conductor
Insulator
Semiconductor
Free Electrons
An atom is design to have a balanced charge with having the same amount of Protons and Electrons.
An unbalanced atom is an .....
Eon
Ion
Aon
Uon
An atom with excessive electrons
Negative Ion
Positive Ion
Balanced Ion
Insulator
An atom with insufficient electrons
Negative Ion
Positive Ion
Balanced Ion
Insulator
Like charges _ , Opposites _
Attract / Repel
Repel
Attract
Repel / Attract
Electricity that flows from positive to negative is....
Electron Flow Theory
Conventional Flow Theory
Hole Theory
Balance flow theory
EMF stand for Electromotive Force. EMF is similar to ....
Resistance
Current
Voltage
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
1/3 ohms
3 ohms
27 ohms
9 ohms
What current flows through a hair dryer plugged into a 120 Volt circuit if it has a resistance of 25 ohms?
2.4A
3.6A
4.8A
6A
A 12 Volt car battery pushes charge through the headlight circuit resistance of 10 ohms. How much current
is passing through the circuit?
1A
1.2A
1.4A
1.6A
