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 92 mA 460 mA 4.6 mA 9.2 mA 92 mA 460 mA 4.6 mA 9.2 mA 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 2.16 21.63 4.24 3.46 2.16 21.63 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? 3.7Ω 4800Ω 14400Ω 37.9Ω 3.7Ω 4800Ω 14400Ω 37.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 90° 30° 180° 270° 90° 30° 180° 270° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist: R < XC R = 5XC R = XC R > XC R < XC R = 5XC R = XC R > XC ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –30° –60° –330° –180° –30° –60° –330° –180° ANSWER DOWNLOAD EXAMIANS APP
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