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4+j3 amps and resistance of 5-j3 ohms what is the voltage of the circuit

1 Answer

5 votes

Answer:

V = 29 + j3

Explanation:

4+j3 amps and resistance of 5-j3 ohms what is the voltage of the circuit

V = IR I = 4+j3 amps R = 5-j3 ohms

V = 4+j3 × 5-j3

V = [4 × 5]+[j3 × -j3] + [4 × -j3] + [j3 × 5]

V = 20 + (-j²)9 + (-j12) + j15

V = 20 - 9 + j3 j3 × -j3 = 9 not -9 j = -1 j × j = -1 not 1 my mistake

V = 11 + j3 WRONG

my daughter's old TI 84 Plus Silver Edtion calculator got 29+j3

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