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26 November, 15:44

A current of 9 A flows through an electric device with a resistance of 43 ohms. What must be the applied voltage in this particular circuit?

A. 387 V

B. 4.8 A

C. 387 A

D. 4.8 V

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Answers (2)
  1. 26 November, 16:02
    0
    One form of Ohm's law says:

    Voltage = (current) x (resistance).

    = (9 A) x (43 ohms)

    = 387 volts.

    Choice-A says this.
  2. 26 November, 16:04
    0
    Use Ohm law

    Voltage = (current) x (resistance). = (9 A) x (43 ohms) = 387 volts.

    Answer is A 387 V DO NOT make a mistake and check 387 A
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