RC Circuits The complex number 40 angle 55° is equivalent to 40 + j40 22.94 + j32.76 55 + j55 45.88 + j65.52 40 + j40 22.94 + j32.76 55 + j55 45.88 + j65.52 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero decreases does not change increases decreases to zero decreases does not change increases 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 6 kHz 12 kHz 0 Hz 18 kHz 6 kHz 12 kHz 0 Hz 18 kHz ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –30° –180° –60° –330° –30° –180° –60° 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 21.63 3.46 4.24 2.16 21.63 3.46 4.24 ANSWER DOWNLOAD EXAMIANS APP