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WorksheetsElectrical Concepts Quiz
Total questions: 29
Worksheet time: 15mins
What is a conventional component that uses electricity to do work?
Electronic device
Electrical device
Mechanical device
Transistor
A storage device for electricity is a:
capacitor
diode
transformer
transistor
What other sensor can perform the same function as a relay?
Transistor
Transformer
Capacitor
Diode
What are small wires called that carry low voltage to components, circuits, and ECUs?
Single wire
Stranded wire
Primary wire
Secondary wire
Negatively charged particles that circle in specific orbits around the center, or nucleus, of an atom are called:
atoms
electrons
neutrons
protons
What is the term for something that limits and controls current flow in a circuit?
Voltage
Current
Resistance
Watts
A storage device for electricity is a:
Capacitor
Diode
Transformer
Transistor
The best type of wire to use for automotive purposes is:
Aluminum (solid)
Aluminum (stranded)
Copper (solid)
Copper (stranded)
If I have a parallel circuit with 2 bulbs and 1 bulb is dimmer than the other, what does this indicate?
Circuit is shorted to power
Circuit is shorted to ground before the bulb
There is high resistance on the connector of one of the bulbs
There is an open circuit on one of the bulbs
What is the function of a diode in a circuit?
To store electrical energy
To allow current to flow in one direction
To increase voltage
To decrease resistance
What is the unit of electrical resistance?
Volt
Ampere
Ohm
Watt
Which component is used to step up or step down voltage in a circuit?
Capacitor
Transformer
Resistor
Inductor
What is the primary function of a resistor in an electrical circuit?
To store energy
To limit current flow
To amplify signals
To convert AC to DC
Which component is used to convert alternating current (AC) to direct current (DC)?
Capacitor
Diode
Transformer
Resistor
What is the role of an inductor in a circuit?
To store electrical energy in a magnetic field
To increase voltage
To decrease current
To convert DC to AC
What is the primary function of a capacitor in an electrical circuit?
To store electrical energy
To increase current
To decrease voltage
To convert AC to DC
Which component is used to protect a circuit from overcurrent?
Resistor
Fuse
Capacitor
Inductor
What is the role of a transformer in an electrical circuit?
To store electrical energy
To convert AC to DC
To step up or step down voltage
To increase resistance
What is the primary function of a transistor in an electronic circuit?
To store energy
To amplify or switch electronic signals
To convert AC to DC
To step up voltage
What does "resistance" mean in an electrical context?
A material that allows current to flow through it easily
The amount of energy being pushed around the circuit, aka voltage, in volts (V)
A property of a component, making it difficult for charge to pass through, in Ohms (Ω)
If components in a circuit are on the same loop
What does "in parallel" mean in the context of an electrical circuit?
If components in a circuit are on the same loop
A material that does not allow current to flow through it easily
The amount of energy being pushed around the circuit, aka voltage, in volts (V)
If some components are on separate loops
The device which operates similar to a fuse, but which can be reused, is a:
switch
circuit breaker
load
source
conductor
“Current flowing through a conductor in one direction for a split second, then in the opposite direction for a split second” would be a good definition of:
alternating current
direct current
voltage
resistance
wattage
True or False: Zero volts is read across an open energized switch.
True
False
Which of the following circuits allows multiple paths for the current to flow?
Series circuit
Parallel circuit
Short circuit
Closed circuit
What type of material is used as an insulator in electrical circuits?
Copper
Iron
Plastic
Aluminum
In a parallel circuit, how is voltage distributed across the components?
Voltage is shared equally
Each component gets the same voltage as the source
Voltage decreases across each component
Voltage increases across each component
What happens to the resistance in a circuit when you add more resistors in series?
It decreases
It stays the same
It increases
It disappears
What is voltage?
The flow of electric charge
The resistance to the flow of current
The energy that pushes electrons through a circuit
The power used by a device
