RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 19.52 W 195.2 W 275 W 25 W 19.52 W 195.2 W 275 W 25 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the second quadrant first quadrant fourth quadrant third quadrant second quadrant first quadrant fourth quadrant third quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit does not change decreases to zero decreases increases does not change decreases to zero decreases increases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 130 mW 845 mW 84.5 mW 13 mW 130 mW 845 mW 84.5 mW 13 mW ANSWER DOWNLOAD EXAMIANS APP
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