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? 4800Ω 37.9Ω 3.7Ω 14400Ω 4800Ω 37.9Ω 3.7Ω 14400Ω 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 has no effect must be increased is held constant must be decreased has no effect must be increased is held constant must be decreased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 195.2 W 275 W 25 W 19.52 W 195.2 W 275 W 25 W 19.52 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z? 12.9Ω 73Ω 129Ω 167Ω 12.9Ω 73Ω 129Ω 167Ω 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 3.46 21.63 2.16 4.24 3.46 21.63 2.16 ANSWER DOWNLOAD EXAMIANS APP
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