What voltage does the secondary coil of transformer provide

Reference no: EM13265634

A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.96 V and a current of 3.0 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What emf and current are induced in the square coil?

The battery charger for an MP3 player contains a step-down transformer with a turns ratio of 1:27, so that the voltage of 120 V available at a wall socket can be used to charge the battery pack or operate the player. What voltage does the secondary coil of the transformer provide?

Reference no: EM13265634

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