RC Circuits A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 212 318.3 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 212 318.3 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 4.24 2.16 3.46 21.63 4.24 2.16 3.46 21.63 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 3.7Ω 37.9Ω 14400Ω 4800Ω 3.7Ω 37.9Ω 14400Ω 4800Ω 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 increases decreases does not change decreases to zero increases decreases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 1.9 V 27 V 3 V 19.2 V 1.9 V 27 V 3 V 19.2 V ANSWER DOWNLOAD EXAMIANS APP
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 angle 180° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 –90° Ω ANSWER DOWNLOAD EXAMIANS APP
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