RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 angle – 90° Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 8.4845° 3645° 8.4890° 645° 8.4845° 3645° 8.4890° 645° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is reduced to one-fourth cannot be determined without values is halved doubles is reduced to one-fourth cannot be determined without values is halved doubles ANSWER DOWNLOAD EXAMIANS APP
RC Circuits Point +4 on the complex plane is 4 units right of the origin on the real axis 4 units left of the origin on the real axis 4 units below the origin on the j axis 4 units above the origin on the j axis 4 units right of the origin on the real axis 4 units left of the origin on the real axis 4 units below the origin on the j axis 4 units above the origin on the j axis ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 30° 180° 270° 90° 30° 180° 270° 90° 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 = 197Ω Z = 103Ω Z = 47Ω + j150Ω Z = 47Ω – j150Ω Z = 197Ω Z = 103Ω Z = 47Ω + j150Ω Z = 47Ω – j150Ω ANSWER DOWNLOAD EXAMIANS APP
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