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Welcome to the Science Quiz 133
This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?
120
When a solenoid is activated, the force that moves the plunger is?
Correct!
Wrong!
When the current through the coil of an electromagnet reverses, the?
Correct!
Wrong!
If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage?
Correct!
Wrong!
A keeper is used to?
Correct!
Wrong!
When the north poles of two bar magnets are brought close together, there will be?
Correct!
Wrong!
Paramagnetic materials have relative permeability?
Correct!
Wrong!
An electromagnetic field exists only when there is?
Correct!
Wrong!
The most effective and quickest may of making a magnet from soft iron is by?
Correct!
Wrong!
Science Quiz 133
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