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anonymous
 one year ago
The primary coil of a transformer has 1,000 turns of wire, and its secondary coil has 2,000 turns of wire. The input voltage is 140 V. What is the output voltage of the transformer?
280 V, 420 V, 60 V , or 70 V
anonymous
 one year ago
The primary coil of a transformer has 1,000 turns of wire, and its secondary coil has 2,000 turns of wire. The input voltage is 140 V. What is the output voltage of the transformer? 280 V, 420 V, 60 V , or 70 V

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0is it just 140 * 2 =280 V as the solution? :/

anonymous
 one year ago
Best ResponseYou've already chosen the best response.02:1 step up transformer : T = Vs / Vp = 2 ; ⇒ Vs = 2 Vp = 2 × 140 = 280 V

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.0we have the subsequent equation: \[\large \frac{{{V_1}}}{{{V_2}}} = \frac{{{N_1}}}{{{N_2}}}\]
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