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 4800Ω 37.9Ω 14400Ω 3.7Ω 4800Ω 37.9Ω 14400Ω 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 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA 92 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is 141 mA 282 mA 100 mA 200 mA 141 mA 282 mA 100 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency is held constant must be increased has no effect must be decreased is held constant must be increased has no effect must be decreased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the first quadrant fourth quadrant second quadrant third quadrant first quadrant fourth quadrant second quadrant third quadrant ANSWER DOWNLOAD EXAMIANS APP
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
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