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Q 1/16
Score 0
Which of these things will NOT induce a potential difference (p.d) in a conductor?
60
moving a coiled wire around a magnet
moving a magnet through a coiled wire
moving a battery through a coiled wire
Q 2/16
Score 0
What is another name for the generator effect?
60
electromagnetic generator
electricity generator
electromagnetic induction
motor effect
16 questions
Q.
Which of these things will NOT induce a potential difference (p.d) in a conductor?
1
60 sec
Q.
What is another name for the generator effect?
2
60 sec
Q.
Which of these actions will NOT reverse the direction of an induced p.d. or current?
3
60 sec
Q.
What of these things will NOT affect the size of an induced p.d. or current?
4
60 sec
Q.
Which kind of current is produced by the generator effect in an alternator?
5
60 sec
Q.
Which kind of current is produced by the generator effect in a dynamo?
6
60 sec
Q.
A dynamo keeps the current flowing in the same direction by making the ends of the coil swap contact with the circuit every half turn. What part of the dynamo allows it to do this?
7
60 sec
Q.
Which position would the coiled wire conductor be in an alternator to create the maximum induced p.d.?
8
60 sec
Q.
How does a microphone use the generator effect?
9
60 sec
Q.
What does a transformer do?
10
60 sec
Q.
Which material is used as the core of a transformer because it is easily magnetised and demagnetised?
11
60 sec
Q.
What does a basic transformer consist of?
12
60 sec
Q.
The alternating p.d. in the primary coil of a transformer induces an alternating p.d. in the secondary coil. How is this done?
13
60 sec
Q.
14
60 sec
Q.
Which type of transformer has more turns on its secondary coil than on its primary coil?
