A transformer connected to a120 V (rms) ac line is to supply 12.0 V (rms) to a portable electronic device.The load resistance in the secondary is 5.00 Ω. What resistance connected directly across the 120 V line would draw the same power as the transformer? Show that this is equal to 5.00 Ω times the square of the ratio of primary to secondary turns.
A transformer connected to a120 V (rms) ac line is to supply 12.0 V (rms) to a portable electronic device.The load resistance in the secondary is 5.00 Ω. What resistance connected directly across the 120 V line would draw the same power as the transformer? Show that this is equal to 5.00 Ω times the square of the ratio of primary to secondary turns.
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A transformer connected to a
120 V (rms) ac line is to supply 12.0 V (rms) to a portable electronic device.
The load resistance in the secondary is 5.00 Ω. What resistance connected directly across the 120 V line
would draw the same power as the transformer? Show that this is equal
to 5.00 Ω times the square of the ratio of primary to secondary turns.
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