A quantum of energy as defined in the Quantum Mechanical Model is a
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Definition1/7
exact, whole number amount of energy needed to move an electron
to a higher energy level
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Term1/7
Do electric and magnetic fields always form closed loops
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Definition1/7
Magnetic fields do, because there's no such thing as an isolated
magnetic "pole",
and a magnetic line always starts and ends at opposite poles of
the same
magnetized object.
But electric fields don't. You can easily have a bundle of
isolated positive charge
over here and a bundle of isolated negative charge over there,
whereupon the
lines of the electric field start on one bundle and end on the
other bundle.
But electric field lines can also exist in closed loops, and
they do that in radio waves, where the electromagnetic field
propagates with an electric field component and a magnetic field
component, and they both form closed loops.
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Term1/7
In a closed circuit what does an increase in voltage cause
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Definition1/7
an increase in current, hence increased power and increased
heat.
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Term1/7
An atom that is only weakly affected by a magnetic field
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Definition1/7
diamagnetic
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Term1/7
What type of fields are created by an arrangement of electric charges or a current
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Definition1/7
Magnetic fields can be created by charges or the flow of
current.
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Term1/7
Where would shock from an electrified fence be the least unpleasant if standing A barefoot on wet grass during rain B on a rubber mat or very dry ground C on a metal ladder against the fence
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Definition1/7
You would need to be standing on some kind of electrical
insulator, such as a rubber mat, or on very dry ground.
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Term1/7
In terms of the scientific definition of work magnetic fields can do work but electric fields cannot true or false
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Definition1/7
false
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Cards in this guide (7)
A quantum of energy as defined in the Quantum Mechanical Model is a
exact, whole number amount of energy needed to move an electron
to a higher energy level
Do electric and magnetic fields always form closed loops
Magnetic fields do, because there's no such thing as an isolated
magnetic "pole",
and a magnetic line always starts and ends at opposite poles of
the same
magnetized object.
But electric fields don't. You can easily have a bundle of
isolated positive charge
over here and a bundle of isolated negative charge over there,
whereupon the
lines of the electric field start on one bundle and end on the
other bundle.
But electric field lines can also exist in closed loops, and
they do that in radio waves, where the electromagnetic field
propagates with an electric field component and a magnetic field
component, and they both form closed loops.
In a closed circuit what does an increase in voltage cause
an increase in current, hence increased power and increased
heat.
An atom that is only weakly affected by a magnetic field
diamagnetic
What type of fields are created by an arrangement of electric charges or a current
Magnetic fields can be created by charges or the flow of
current.
Where would shock from an electrified fence be the least unpleasant if standing A barefoot on wet grass during rain B on a rubber mat or very dry ground C on a metal ladder against the fence
You would need to be standing on some kind of electrical
insulator, such as a rubber mat, or on very dry ground.
In terms of the scientific definition of work magnetic fields can do work but electric fields cannot true or false
What is the resistance in ohms of the computer-monitor combination when a desktop computer and monitor together draw about 1.2 A of current and they plug into a wall outlet that is 120 V
A quantum of energy as defined in the Quantum Mechanical Model is a
Do electric and magnetic fields always form closed loops
What should you be standing on for the shock from an electric fence to be the least unpleasant
What is the resistance in ohms of the computer-monitor combination when a desktop computer and monitor together draw about 1.2 A of current and they plug into a wall outlet that is 120 V
A quantum of energy as defined in the Quantum Mechanical Model is a
Do electric and magnetic fields always form closed loops
In a closed circuit what does an increase in voltage cause
What is the resistance in ohms of the computer-monitor combination when a desktop computer and monitor together draw about 1.2 A of current and they plug into a wall outlet that is 120 V
A quantum of energy as defined in the Quantum Mechanical Model is a
Do electric and magnetic fields always form closed loops
In a closed circuit what does an increase in voltage cause