RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 4.24 21.63 2.16 3.46 4.24 21.63 2.16 3.46 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance doubles increases decreases remains the same doubles increases decreases remains the same ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 45.88 + j65.52 55 + j55 22.94 + j32.76 40 + j40 45.88 + j65.52 55 + j55 22.94 + j32.76 40 + j40 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 90° 270° 30° 180° 90° 270° 30° 180° 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 –90° Ω Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 ANSWER DOWNLOAD EXAMIANS APP
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? 411.3 V 45.6 V 0.411 V 4.11 V 411.3 V 45.6 V 0.411 V 4.11 V ANSWER DOWNLOAD EXAMIANS APP
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