RC Circuits What is the angular difference between +j4 and –j4? 180° 270° 90° 30° 180° 270° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 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 180° Ω Z = 150 –90° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 Z = 150 angle – 90° Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 k resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle? 734 and θ = –38.9° 73.4 and θ = –19.5° 2121 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° 73.4 and θ = –19.5° 2121 and θ = –19.5° 707 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 21.63 3.46 2.16 4.24 21.63 3.46 2.16 4.24 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? 37.9Ω 3.7Ω 4800Ω 14400Ω 37.9Ω 3.7Ω 4800Ω 14400Ω ANSWER DOWNLOAD EXAMIANS APP
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