1. A positive angle of 30° is equivalent to a negative angle of A. -30° B. -330° C. -60° D. -180° Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
2. Apparent power is expressed in watts. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
3. The complex number 6 + j6 is equivalent to A. 6 ∠45° B. 36 ∠45° C. 8.48 ∠45° D. 8.48 ∠90° Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
4. When the frequency of the source voltage decreases, the impedance of a parallel RC circuit A. Increases B. Decreases C. Does not change D. Decreases to zero Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
5. In an RC circuit, the impedance is determined by both the resistance and the capacitive reactance combined. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
6. The capacitor voltage always leads the current by 90°. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
7. In the complex plane, the number 14 - j5 is located in the Fourth quadrant A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
8. Total current in an RC circuit always leads the source voltage. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
9. The complex number 40 ∠ 55° is equivalent to A. 55 + j55 B. 40 + j40 C. 45.88 + j65.52 D. 22.94 + j32.76 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
10. 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 A. 84.5 mW B. 845 mW C. 13 mW D. 130 mW Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board