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Q 1/30
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It is the process by which a changing magnetic field induces (creates) an electric current or electromotive force
(EMF) in a conduction is the energy supplied per unit charge by a source (like a battery or generator) that
drives electric charges around a circuit.
30
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Q 2/30
Score 0
He is an english scientist whom discovered electromagnetic induction by his famous induction ring experiment in August 29, 1831. (introducing a magnet into a coil of copper wire, producing a deflection in the galvanometer needle
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30 questions
Q.
It is the process by which a changing magnetic field induces (creates) an electric current or electromotive force
(EMF) in a conduction is the energy supplied per unit charge by a source (like a battery or generator) that
drives electric charges around a circuit.
1
30 sec
Q.
He is an english scientist whom discovered electromagnetic induction by his famous induction ring experiment in August 29, 1831. (introducing a magnet into a coil of copper wire, producing a deflection in the galvanometer needle
2
30 sec
Q.
It is an instrument for measuring a small electrical current or a function of the current by deflection of a
moving coil.
3
30 sec
Q.
It states that the EMF induced in a wire is proportional to thhe rate of magnetic flux through the loop.
4
30 sec
Q.
What is the SI unit for magnetic flux?
5
30 sec
Q.
States that the induced electromotive force (EMF)
in a circuit is directly proportional to the rate of
change of magnetic flux through the circuit.
6
30 sec
Q.
States that the direction of the induced EMF
current is such that it opposes the change in
magnetic flux that produced it.
7
30 sec
Q.
This law determines the magnitude of the induced
EMF.
8
30 sec
Q.
This law determines the direction of the induced EMF
current.
9
30 sec
Q.
This law is Quantitative – gives how much EMF is induced.
10
30 sec
Q.
This law is Qualitative – shows which way the current
flows.
11
30 sec
Q.
The cause of this law is a changing magnetic flux through a conductor or
coil.
12
30 sec
Q.
The cause of this law is the system’s response to that change,
opposing.
13
30 sec
Q.
Who discovered Faraday's Law?
14
30 sec
Q.
Who discovered Lenz's Law?
15
30 sec
Q.
Moving a magnet toward a coil increases
magnetic flux and induces an EMF is an example of what law?
16
30 sec
Q.
The induced current produces a magnetic field
that repels the approaching magnet is an example of what law?
17
30 sec
Q.
It converts electrical energy into mechanical energy
18
30 sec
Q.
It converts mechanical energy into electrical energy
19
30 sec
Q.
What is the field interaction when opposite poles of two magnets are
brought close to each other
20
30 sec
Q.
What is the field interaction when same poles of two magnets
are brought close to each other
21
30 sec
Q.
They are produced by positive and negative
charges
22
30 sec
Q.
What does EMF stand for?
23
30 sec
Q.
It is a machine that converts mechanical energy into Direct Current (DC) electrical energy
24
30 sec
Q.
What does a DC generator use to convert the naturally induced Alternating Current (AC) inside the machine into a
unidirectional (DC) output current for the external circuit.
25
30 sec
Q.
What is another term for Alternating Current (AC) Generator
26
30 sec
Q.
It is a machine that converts mechanical energy into Alternating Current (AC) electrical energy. It is capable of reversing flow of current periodically, producing a higher amount of voltage when connected to
transformer
27
30 sec
Q.
What does the AC generator use to transfer the induced AC power from the rotating coil to the external circuit without
changing its alternating direction.
28
30 sec
Q.
They are industrial facilities that generate electricity using electric generators.They have several types depending on the source: geothermal, nuclear, coal, solar, wind, and hydroelectric power
plants.
29
30 sec
Q.
It is a power plant that uses the gravitational potential energy of falling water to generate electricity
