RC Circuits The complex number 40 angle 55° is equivalent to 55 + j55 40 + j40 22.94 + j32.76 45.88 + j65.52 55 + j55 40 + j40 22.94 + j32.76 45.88 + j65.52 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero does not change decreases increases decreases to zero does not change decreases increases 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 275 W 19.52 W 195.2 W 25 W 275 W 19.52 W 195.2 W 25 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 3.46 21.63 2.16 4.24 3.46 21.63 2.16 4.24 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 = 197Ω Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω 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 84.5 mW 130 mW 845 mW 13 mW 84.5 mW 130 mW 845 mW ANSWER DOWNLOAD EXAMIANS APP