Queenempress1145 Queenempress1145
  • 04-01-2024
  • Physics
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An AC source of votage amplitude of 19 V delivers electricity at an average rate of 1.2 W when its current output has an amplitude of 2.5 A. What is the phase angle, ϕ, between the emf and the current? ϕ= radians

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