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OpenStudy (hjklhljlkhj):
A transformer consists of 340. primary windings and 980. secondary windings. If the emf of the primary coil is 30.0 V, what is the emf across the secondary coil?
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OpenStudy (irishboy123):
|dw:1480716932908:dw| \(\implies \dfrac{30}{V_s} = \dfrac{340}{980}\) that screengrab is from: https://en.wikipedia.org/wiki/Transformer
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