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AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2 Problems with Answers and Work.

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 8 Problems 21, 25, 31, 32, 33, 37, 41, 43, 47, 48, 51, 53, 55 with Answers and Work. 8.1 Capacitors and Capacitance 21. Calculate the voltage applied to a 2.00-μF capacitor when it holds 3.10μC of charge. 25. The plates of an empty parallel-plate capacitor of capacitance 5.0 pF are 2.0 mm apart. What is the area of each plate? 8.2 Capacitors in Series and in Parallel 31. A 4.00-pF is co...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 11 Problems 15, 17, 19, 21, 23, 25, 27, 57 with Answers and Work. 11.2 Magnetic Fields and Lines 15. What is the direction of the magnetic force on a positive charge that moves as shown in each of the six cases? 17. What is the direction of the velocity of a negative charge that experiences the magnetic force shown in each of the three cases, assuming it moves perpendicular to B? 19. What is the...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 5 Problems 65, 73, 100, 101, 103 with Answers and Work. 5.4 Electric Field 65. A particle of charge 2.0×10−8C experiences an upward force of magnitude 4.0×10−6N when it is placed in a particular point in an electric field. (a) What is the electric field at that point? (b) If a charge q=−1.0×10−8C is placed there, what is the force on it? 73. If the electric field is 100N/C at a distanc...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 13 Problems 24, 27, 28, 30, 33, 35, 36, 37, 38, 45 with Answers and Work. 13.1 Faraday’s Law 24. A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of magnitude 0.50 T so that the face of the coil and the magnetic field are perpendicular. Find the magnitude of the emf induced in the coil if the magnetic field is reduced to zero uniformly in (a) 0.10 s, (...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 7 Problems 29, 37, 39, 45, 51, 52, 59, 63 with Answers and Work. 7.1 Electric Potential Energy 29. Consider a charge Q1(+5.0μC) fixed at a site with another charge Q2 (charge +3.0μC, mass 6.0μg) moving in the neighboring space. (a) Evaluate the potential energy of Q2 when it is 4.0 cm from Q1. (b) If Q2 starts from rest from a point 4.0 cm from Q1, what will be its speed when it is 8.0 cm from Q1?...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 14 Conceptual Problems 11, 12, 15, 16, 19, 35, 36, 37, 46, 52 14.4 RL Circuits 11. Use Lenz’s law to explain why the initial current in the RL circuit of Figure 14.12(b) is zero. 12. When the current in the RL circuit of Figure 14.12(b) reaches its final value ε/R, what is the voltage across the inductor? Across the resistor? 15. At what time is the voltage across the inductor of the RL cir...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 12 Problems 23, 25, 31, 35, 37, 43, 47, 49 with Answers and Work. 23. The magnitude of the magnetic field 50 cm from a long, thin, straight wire is 8.0μT. What is the current through the long wire? 25. A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in a uniform magnetic field of magnitude 4.0×10−5T that is directed vertically downward, what is ...

AP Physics C: Electricity and Magnetism. OpenStax University Physics Volume 2, Chapter 5 Problems 39, 49, 52, 55 with Answers and Work. 39. To start a car engine, the car battery moves 3.75 × 1021 electrons through the starter motor. How many coulombs of charge were moved? 49. Two charges +3 C and +12 C are fixed 1 m apart, with the second one to the right. Find the magnitude and direction of the net force on a -2-nC charge when placed at the following locations: (a) halfway between t...