A ______________ is a switch with contacts that are opened or closed by an electromagnet.
Correct Answer:
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Q4: Flux _ is the number of magnetic
Q5: One weber per square meter is called
Q6: The electric or magnetic effect of one
Q7: The ability to concentrate magnetic flux is
Q8: A(n) _ needs current from an external
Q10: _ field lines are unaffected by nonmagnetic
Q11: What are the base units for permeability?
A)
Q12: What maintains the strength of the permanent
Q13: What are the two classes of magnets?
A)
Q14: The wire wrapped in a form of
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