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More cards in this set
Card 6
Front
this current is transmitted along iron core and passed through secondary coil, inducing a p___ d___
Back
Card 7
Front
the iron core ___ (increases/decrease?) the magnetic field
Back
Card 8
Front
transformers only work with alternating currents. true?
Back
Card 9
Front
why is this?
Back
Card 10
Front
a ___ current produces a constant magnetic field so doesn't work in transformers
Back
Card 11
Front
if the transformer is 100% efficient (no energy wasted), the potential difference of primary coil will be ____ as the seondonary
Back
Card 12
Front
if the secondary coil has more loops (turns), the potential difference will be greater in the ___ coil
Back
Card 13
Front
this is called a step-__ transformer as it steps up the potential difference
Back
Card 14
Front
if there's twice as many turns in the secondary coil, they'll be twice as much potential difference. true?
Back
Card 15
Front
the step-down transformer is the opposite. describe it
Back
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