
How Hertz produced Radiowaves
Presentation
•
Science
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11th Grade
•
Practice Problem
•
Easy
MERLIE WASAWAS
Used 1+ times
FREE Resource
41 Slides • 19 Questions
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2
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7
Multiple Choice
Who was first person to transmit and receive controlled radio waves?
Heinrich Hertz
James Clerk Maxwell
Isaac Newton
Albert Einstein
8
Multiple Choice
Who is the proponent of THEORY OF ELECTROMAGNETISM?
Heinrich Hertz
James Clerk Maxwell
Isaac Newton
Albert Einstein
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10
11
12
Multiple Choice
What is the piece of electrical apparatus used by Hertz to produce electric sparks by magnetic induction?
Induction Coil
Magnetic Induction
Riess Spirals
All of the above
13
Multiple Choice
Spirals produced electric sparks by a process called
Induction Coil
Magnetic Induction
Riess Spirals
All of the above
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15
Multiple Choice
What did Hertz use to generate sparks?
Induction Coil
Magnetic Induction
Riess Spirals
All of the above
16
17
Match
Match the following.
AC
DC
Low voltage
High voltage
Electrical Outlets
Batteries
DC
AC
Electrical Outlets
Batteries
DC
AC
18
Multiple Choice
How does an induction coil power a car’s spark plugs?
It transforms low voltage DC electricity to high voltage AC
It transforms high voltage AC electricity to low voltage DC
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Drag and Drop
29
Drag and Drop
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33
Multiple Choice
What is produced when produced whenever electric charges are accelerated?
Resonance
Amplitude
Frequency
Wavelength
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39
Multiple Choice
The unit of frequency is
Hertz
Ampere
Joule
Kilojoule
40
Multiple Choice
100 mHz is equal to a resonant frequency of
100 million per second
1 million per second
1 million per hour
100 million per hour
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46
Multiple Choice
electrical charges
sound
waves
light
47
Dropdown
48
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51
Open Ended
Why was Guglielmo Marconi the one granted patent for wireless communications and not Hertz?
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53
Multiple Choice
Who was granted a patent for wireless communication?
Heinrich Hertz
Isaac Newton
Guglielmo Marconi
Albert Einstein
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56
Multiple Choice
In present day, what is being used to generate radio waves?
Sparks
Vacuum tubes
Transistors
Transmitters
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58
Match
Match the following.
October 1886
Magnetic induction
Electrical charge
He was the first person to transmit and receive controlled radio waves.
The year Hertz see an electrical spark and started a train of thought that would end up
Spirals produced electric sparks by a process called
In Hertz’s circuit, the vibrations produced were not sound but vibrations of
He was the first person to transmit and receive controlled radio waves.
The year Hertz see an electrical spark and started a train of thought that would end up
Spirals produced electric sparks by a process called
In Hertz’s circuit, the vibrations produced were not sound but vibrations of
59
Match
Match the following.
Early 1900s
Hertz
Electromagnetic/ Radio Waves
100 MHz
The year technically minded people build their own spark transmitted at home
The unit of frequency
As predicted by Maxwell, the oscillating electric charge produced is known as
The frequency of vibration in Hertz experiment
The year technically minded people build their own spark transmitted at home
The unit of frequency
As predicted by Maxwell, the oscillating electric charge produced is known as
The frequency of vibration in Hertz experiment
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