A transformer has a small number of turns in the primary coil and a large number in the secondary. The electric power input to the primary coil is P = IΔV. The secondary coil with more turns will have a greater emf (in volts) across it than the primary coil. If we connect the secondary coil across a lightbulb, we get which of the following?
(a) Extra power because of the higher emf
(b) The same power because of higher emf and lower current
(c) Less power because the current is less
(d) There is too little information to answer this question.
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