Peoples Physics Concepts

13.6. Energy Efficiency http://www.ck12.org Explore More The useful work a light bulb does is emitting light (duh). The rest is ...

http://www.ck12.org Chapter 13. Electric Circuits: Batteries and Resistors 13.7 Internal Resistance Compare Emf and Voltage. Ca ...

13.7. Internal Resistance http://www.ck12.org We can plug this value into the equation given above to find the internal resistan ...

http://www.ck12.org Chapter 13. Electric Circuits: Batteries and Resistors b. Find the current drawn from the battery. c. Determ ...

13.7. Internal Resistance http://www.ck12.org Summary In these lessons students will gain a strong conceptual footing of electri ...

http://www.ck12.org Chapter 14. Magnetism CHAPTER (^14) Magnetism Chapter Outline 14.1 Magnetic Fields 14.2 LORENTZFORCE 14.3 Cu ...

14.1. Magnetic Fields http://www.ck12.org 14.1 Magnetic Fields Describe magnetic field lines and how they behave in the situati ...

http://www.ck12.org Chapter 14. Magnetism Sometimes, it is necessary to represent such three dimensional fields on a two dimensi ...

14.1. Magnetic Fields http://www.ck12.org B= μoI 2 πr r= μoI 2 πB r= 4 π∗ 10 −^7 Tm/A∗300 A 2 π∗ 4 ∗ 10 −^5 T r= 1 .5 m Watch th ...

http://www.ck12.org Chapter 14. Magnetism Find the magnetic field a distance of 20 cm from a wire that is carrying 3 A of elect ...

14.2 Lorentz Force 14.2 Lorentz Force Describe the Lorentz force and how moving particles interact in a magnetic field. Solve v ...

http://www.ck12.org Chapter 14. Magnetism For instance, if a positively charged particle is moving to the right, and it enters a ...

14.2. Lorentz Force http://www.ck12.org Now, plugging the known values we have: B= FB qvsinθ = 2 .2? 10−^12 N 1. 6 × 10 −^19 C× ...

http://www.ck12.org Chapter 14. Magnetism Watch this Explanation MEDIA Click image to the left for use the URL below. URL: http: ...

14.2. Lorentz Force http://www.ck12.org c. Calculate the radius of the circle of the electron’s path in the region of the magnet ...

http://www.ck12.org Chapter 14. Magnetism 14.3 Current and Magnetism Analyze and solve problems involving current carrying wire ...

14.3. Current and Magnetism http://www.ck12.org Example 1 MEDIA Click image to the left for use the URL below. URL: http://www.c ...

http://www.ck12.org Chapter 14. Magnetism Solution In this problem, it is best to start by determining the direction of the forc ...

14.3. Current and Magnetism http://www.ck12.org Explore More A vertical wire, with a current of 6.0 A going towards the ground, ...

http://www.ck12.org Chapter 14. Magnetism a. To the right, 1. 88 × 104 N b. 91.7 m/s c. It should be doubled East 1. 5 × 104 A ...