University:
Eastern Kentucky University
Course:
PHY 132 | College Physics II
Academic year:

2022
Views:

317

Pages:

4
Author:

Hallie Randolph

Name: ID: STC-202 Setwork 1. Which subatomic particle repels a proton? o A) Proton o B) Electron o C) Neutron o D) Negative ion 2. An atom with seven valence electrons is most likely a(n): o A) Insulator o B) Conductor o C) Capacitor o D) Semiconductor 3. Current flowing through a conductor coiled around an iron bar produces a(n): o A) Electromagnet o B) Insulator o C) Capacitor o D) Turbine 4. Which of the following does not affect wire resistance? o A) Wire length o B) Temperature o C) Material o D) Type of power 5. Find the applied voltage when the current is 30A and the resistance is 6Ω. o A) 180V o B) 30V o C) 60V o D) 120V 6. A resistor with a gold band in the fourth position has a tolerance of: o A) ±5% o B) ±1% o C) ±10% o D) ±20% 7. A resistor has a color code of brown, black, brown, and silver. What is its resistance value and tolerance? o A) 10Ω ±20% o B) 100Ω ±10% o C) 10Ω ±10% o D) 100Ω ±5% 8. Series circuit is a circuit with only one path of current flow. o A) TRUE o B) FALSE 9. The total resistance in a 120V series circuit with three 10Ω resistors is: o A) 30Ω o B) 12Ω o C) 17Ω o D) 120Ω 10. The figure below shows: o A) Analog multimeter o B) Digital multimeter o C) Ohmmeter o D) None of them True or False Questions 11. In a parallel circuit, the total resistance is less than the smallest resistance. o A) TRUE o B) FALSE 12. You can use Ohm’s law to find the value of each branch current in a parallel circuit. o A) TRUE o B) FALSE 13. Kirchhoff’s Voltage Law can be used to check calculations made using Ohm’s law. o A) TRUE o B) FALSE 14. When resistors in parallel are all equal to one another, their total resistance is equal to the resistance of one resistor divided by the number of resistors in the circuit. o A) TRUE o B) FALSE 15. Circuits that contain two or more parallel paths through which current can flow are called parallel circuits. o A) TRUE o B) FALSE Short Answer Questions 16. Explain the significance of Kirchhoff’s Voltage Law in electrical circuits. 17. Describe the process of calculating the total resistance in a parallel circuit using the reciprocal method. 18. What is the role of a resistor in an electrical circuit? 19. How does temperature affect the resistance of a wire? 20. Define Ohm’s Law and provide an example of its application in a circuit. Filling the Blank Questions 1. A proton repels a(n) __________. 2. An atom with seven valence electrons is most likely a(n) __________. 3. Current flowing through a conductor coiled around an iron bar produces a(n) __________. 4. The total resistance in a 120V series circuit with three 10Ω resistors is __________. 5. The power in a circuit with 120 volts and 5 amps is __________ watts. 6. The center of an atom is called the __________. 7. Negatively charged particles that orbit the nucleus of an atom are called __________. 8. The current in the circuit is directly proportional to the voltage and inversely 9. proportional to the resistance. This represents __________. 10. In a parallel circuit, the total resistance is __________ than the smallest resistance. 11. The algebraic sum of the voltages around any closed path is __________.