RC Circuits A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 angle 0° mA, what is the source voltage expressed in polar form? 0.411 V 45.6 V 411.3 V 4.11 V 0.411 V 45.6 V 411.3 V 4.11 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 22.94 + j32.76 55 + j55 40 + j40 45.88 + j65.52 22.94 + j32.76 55 + j55 40 + j40 45.88 + j65.52 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? 14400Ω 37.9Ω 4800Ω 3.7Ω 14400Ω 37.9Ω 4800Ω 3.7Ω 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 = 47Ω – j150Ω Z = 103Ω Z = 197Ω Z = 47Ω + j150Ω Z = 47Ω – j150Ω Z = 103Ω Z = 197Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 13 mW 130 mW 845 mW 84.5 mW 13 mW 130 mW 845 mW 84.5 mW ANSWER DOWNLOAD EXAMIANS APP
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