9. An appliance has a resistance of 15.0 2. It uses 30.0 V, supplied by the secondary coil of a transformer. The transformer has 200 turns in its primary coil and is plugged into a 120-V source. Calculate (a) the number of turns in the secondary coil; (b) the current in the secondary coil; (c) the current in the primary coil.
9. An appliance has a resistance of 15.0 2. It uses 30.0 V, supplied by the secondary coil of a transformer. The transformer has 200 turns in its primary coil and is plugged into a 120-V source. Calculate (a) the number of turns in the secondary coil; (b) the current in the secondary coil; (c) the current in the primary coil.
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Transcribed Image Text:9. An appliance has a resistance of 15.0 2. It uses 30.0 V, supplied by the secondary coil of a transformer. The
transformer has 200 turns in its primary coil and is plugged into a 120-V source. Calculate
(a)
the number of turns in the secondary coil;
the current in the secondary coil;
the current in the primary coil.
(b)
(c)
**
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