# Electricity Exam: Trivia Questions! Quiz

50 Questions | Total Attempts: 2914  Settings  Electricity exam: trivia questions quiz. Electricity is the flow of charge and is predominantly sourced from hydro and fossil fuel sources. There are different ways that one can transfer electricity or measure the strength of the current. Do you feel you have enough information about electricity to answer the challenging quiz below? The quiz below is exactly what you need. Do give it a shot and see how well you do!

• 1.
In a wave, the number of oscillations per second is its
• A.

Voltage

• B.

Spectrum

• C.

Wavelength

• D.

Frequency

• 2.
The distance covered by one complete wave (or one complete cycle) is called
• A.

Voltage

• B.

Capacitance

• C.

Wavelength

• D.

Frequency

• 3.
Frequency is
• A.

The number of oscillations per second

• B.

Measured in Hertz

• C.

An indicator of how rapidly current is changing

• D.

All of the above

• E.

None of the above

• 4.
The unit for #times/sec is
• A.

Hertz

• B.

Amps

• C.

Volts

• D.

Ohms

• 5.
A transverse wave is a wave that travels
• A.

Parallel to another wave

• B.

Perpendicularly to another wave

• C.

Faster than another wave

• D.

Slower than another wave

• 6.
Current flowing in only one direction is
• A.

Unpredictable Current (UC)

• B.

Alternating Current (AC)

• C.

Direct Current (DC)

• D.

Detectable Current (DC)

• 7.
In the electromagnetic spectrum, which waveform has the shortest wavelength?
• A.

Gamma Rays

• B.

X-Rays

• C.

Ultraviolet Light

• D.

Infrared Light

• E.

• 8.
In the electromagnetic spectrum, which waveform has the longest wavelength?
• A.

Gamma Rays

• B.

X-Rays

• C.

Visible Light

• D.

Microwaves

• E.

• 9.
All types of electromagnetic waves have the same frequency.
• A.

True

• B.

False

• 10.
In electromagnetic waves, an electric wave moves perpendicularly to a magnetic wave.
• A.

True

• B.

False

• 11.
In the electromagnetic spectrum, put these waveforms in order from most rapid (highest frequency) to slowest (lowest frequency):  radio waves, infrared, microwave, gamma rays, x-rays, ultraviolet light, visible light.
• A.

Radio, infrared, x-ray, gamma, ultraviolet, visible light, microwave

• B.

Gamma, radio, ultraviolet, visible light, microwave, x-ray, infrared

• C.

Gamma, x-ray, ultraviolet, visible light, infrared, microwave, radio

• D.

Radio, microwave, infrared, visible light, ultraviolet, x-ray, gamma

• E.

None of these -- they all have the same frequency

• 12.
Humans can see gamma rays with their eyeballs.
• A.

True

• B.

False

• 13.
Oscillating current is called
• A.

Direct Current (DC)

• B.

Alternating Current (AC)

• C.

Annoying Current (AC)

• D.

Disorganized Current (DC

• 14.
The current in our wall outlets and light sockets is
• A.

AC

• B.

DC

• C.

60 Hz

• D.

A and C

• E.

B and C

• 15.
A capacitor is a circuit component that consists of two parallel plates of charge.
• A.

True

• B.

False

• 16.
When is this equation used? REQ = R1 + R2
• A.

When two resistors are connected in parallel

• B.

When two resistors are connected in series

• C.

When two batteries are connected in parallel

• D.

When two capacitors are connected in series

• 17.
When is this equation used? 1/REQ = 1/R1 + 1/R2
• A.

When two resistors are connected in parallel

• B.

When two resistors are connected in series

• C.

When two batteries are connected in parallel

• D.

When two capacitors are connected in series

• 18.
In this circuit diagram, where will most of the current flow and why?
• A.

It will flow through the 2 Ohm resistor because it follows the path of least resistance.

• B.

It will flow through the 10 Ohm resistor because it follows the first path it reaches.

• C.

It will flow through the 50 Ohm reisitor because it follows the path of greatest resistance.

• 19.
Find REQ for this circuit.
• A.

50/3 Ohms

• B.

3/50 Ohms

• C.

120 Ohms

• D.

1/120 Ohms

• 20.
Find REQ for this circuit.
• A.

15/26 KΩ

• B.

6.5 KΩ

• C.

26/15 KΩ

• D.

7.5 KΩ

• 21.
Calculate the current (I) in this circuit if the battery is 1.5 Volts.
• A.

4,333 Amps

• B.

4.333 Amps

• C.

230 Amps

• D.

0.23 Amps

• 22.
What are these?
• A.

Resistors

• B.

Capacitors

• C.

Batteries

• D.

Lightbulbs

• E.

Transformers

• 23.
What do the stripes indicate?
• A.

Amount of voltage

• B.

Amount of current

• C.

Amount of resistance

• D.

Amount of energy

• E.

Amount of power

• 24.
What is the unit for voltage?
• A.

Ampere

• B.

Joule

• C.

Volt

• D.

Hertz

• E.

Ohm

• 25.
What is the unit for current?
• A.

Ampere

• B.

Joule

• C.

Volt

• D.

Hertz

• E.

Ohm

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