RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 angle 180° Ω Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 Z = 150 angle 180° Ω Z = 150 angle – 90° Ω Z = 150 –90° 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 25 W 19.52 W 195.2 W 275 W 25 W 19.52 W 195.2 W 275 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –60° –30° –180° –330° –60° –30° –180° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 2.16 4.24 3.46 21.63 2.16 4.24 3.46 21.63 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is 0 Hz 18 kHz 12 kHz 6 kHz 0 Hz 18 kHz 12 kHz 6 kHz ANSWER DOWNLOAD EXAMIANS APP
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