21. The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is A. 1.2 W B. 4.8 W C. 0.3 W D. 12 W 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
22. Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately A. 2.3 A B. 780 mA C. 47 mA D. 7.06 A 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
23. If there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is A. 50 mA B. 70 mA C. 120 mA D. 40 mA 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
24. A parallel circuit acts as a current divider. 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
25. The number of current paths equals the number of resistors in parallel. 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
26. The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is A. 1 A B. 7 A C. Unknown D. The larger of the two 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
27. The following resistors are in parallel across a voltage source: 220 Ω, 470 Ω, and 560 Ω. The resistor with the least current is A. 220 Ω B. 470 Ω C. 560 Ω D. Impossible to determine without knowing the voltage 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
28. Parallel resistors are connected between the same two points. 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
29. When an additional resistor is connected across an existing parallel circuit, the total resistance A. Remains the same B. Decreases by the value of the added resistor C. Increases by the value of the added resistor D. Decreases 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
30. If one of the resistors in a parallel circuit is removed, the total resistance A. Decreases B. Increases C. Remains the same D. Doubles 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
