RC Circuits The complex number 40 angle 55° is equivalent to 55 + j55 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 40 + j40 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is halved is reduced to one-fourth doubles cannot be determined without values is halved is reduced to one-fourth doubles cannot be determined without values ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance decreases doubles remains the same increases decreases doubles remains the same increases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 460 mA 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist: R = XC R < XC R > XC R = 5XC R = XC R < XC R > XC R = 5XC 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 = 47Ω – j150Ω Z = 103Ω Z = 47Ω + j150Ω Z = 197Ω Z = 47Ω – j150Ω Z = 103Ω Z = 47Ω + j150Ω Z = 197Ω ANSWER DOWNLOAD EXAMIANS APP