Q

Pre-calculus 15 - Complex numbers 2.

(10 Questions)
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From these questions, you will know how to determine the conjugate of complex numbers
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Multiplying a complex number by its complex conjugate will yield ------------
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Every complex number (x+iy) has a complex conjugate (x-iy).
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What is the complex conjugate of a+bi?
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What is the complex conjugate of 5-7i?
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how many complex conjugates does a single complex number have?
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If the voltage in a circuit is (3+2i) amps and the current is (2-i) volts, what is the resistance? Resistance= \frac{voltage}{cutrrent}
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In order to divide 5+4i by negative 2+7i, you must multiply both the numerator and denominator by __________. Answer it as a+bi.
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In order to divide 5+ 3i by negative 3-5i, you must multiply both the numerator and denominator by ------------ Answer it as a+bi.
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If the voltage in a circuit is 2+5i volts and the resistance is 1+3i ohms, what is the current? I=\frac{V}{R}
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If the current in a circuit is 3+2i amps and the resistance is 4-3i ohms, what is the voltage? (voltage=R*I)
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by Krishna