Random Questions

46. What is the voltage across R1, C1, and L1? A.     VR = 156 V, VC = 165 V, […]

41. What is the power factor? A.     0.279    B.     0.479 C.     0.679    D.     0.879 Answer &

36. What is the resonant frequency in the given circuit? A.     6.5 kHz B.     53.7 kHz C.   

36. What is the resonant frequency in the given circuit? A.     6.5 kHz B.     53.7 kHz C.   

31. What is the total impedance of a 60 Hz series RLC circuit when XL = 7.5 ohms, XC =

26. What is the bandwidth in the given circuit. If the winding resistance of the coil is 12 omega.gif? A.

21. What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and

16. When a full band of frequencies is allowed to pass through a filter circuit to the output, the resonant

11. What is the resonant frequency in the given circuit? A.     11.6 Hz B.     275.8 Hz C.   

6. What is the range between f1 and f2 of an RLC circuit that resonates at 150 kHz and has

1. What is the applied voltage for a series RLC circuit when IT = 3 mA, VL = 30 V,

11. The ___ cannot change instantaneously in an inductor. A.     voltage B.     current C.     power D.   

6. The total inductive reactance is ___ in the given circuit. A.     3.5 komega.gif B.     4.4 komega.gif C.

1. After a voltage has been applied to an inductor, the current will be ___ of its full value after

31. An RL filter could be a high-pass or a low-pass filter. A.     True    B.     False Answer &

26. The total inductance in the given circuit is 0.6 mH. A.     True    B.     False Answer & Explanation

21. Maximum power will transfer across a transformer when the primary impedance equals the secondary impedance. A.     True    B.

16. XL = 2fL A.     True    B.     False Answer & Explanation Answer: Option A Explanation: No answer description

11. An ideal inductor would not dissipate any energy. A.     True    B.     False Answer & Explanation Answer: Option

6. A step-up transformer will have a turns ratio greater than 1. A.     True    B.     False Answer &

1. The primary winding of a transformer is the side connected to the load. A.     True    B.     False

92. When a load is not connected to the secondary of a transformer: A.     primary current is zero B.

85. What is the total inductance assuming no mutual inductance? mcq8_1031_1.gif A.     0 mH B.     0.69 mH C.

78. What happens when moving expanding lines of force encounter a conductor? A.     Current increases. B.     Voltage is

1. The unit of flux density is: A.     magnetomotive force B.     a weber C.     a maxwell D.