11. Free electrons make current possible. 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
12. A material that does not allow current under normal conditions is a/an A. Insulator B. Conductor C. Semiconductor D. Valence 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
13. A potentiometer is a twoterminal variable resistor. 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
14. The current in a given circuit is not to exceed 24 A. Which value of fuse is best? A. A fuse is not necessary B. 10 A C. 24 A D. 20 A 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
15. An ammeter is an electrical instrument used to measure A. Current B. Voltage C. Resistance D. None of the above 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
16. An open circuit is one that has a complete current path. 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
17. A neutral atom is one with an equal number of protons and electrons. 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
18. The maximum resistance value for a brown, red, yellow, gold resistor is A. 126,000 Ω B. 126,600 Ω C. 114,000 Ω D. 132,000 Ω 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
19. Which of the following is not a type of energy source? A. Generator B. Rheostat C. Solar cell D. Battery 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
20. A thermistor is a type of A. Switch B. Resistor C. Battery D. Power supply 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