0. Math Review

1. Intro to Physics Units

2. 1D Motion / Kinematics

3. Vectors

4. 2D Kinematics

5. Projectile Motion

6. Intro to Forces (Dynamics)

7. Friction, Inclines, Systems

8. Centripetal Forces & Gravitation

9. Work & Energy

10. Conservation of Energy

11. Momentum & Impulse

12. Rotational Kinematics

13. Rotational Inertia & Energy

14. Torque & Rotational Dynamics

15. Rotational Equilibrium

16. Angular Momentum

17. Periodic Motion

18. Waves & Sound

19. Fluid Mechanics

20. Heat and Temperature

21. Kinetic Theory of Ideal Gases

22. The First Law of Thermodynamics

23. The Second Law of Thermodynamics

24. Electric Force & Field; Gauss' Law

25. Electric Potential

26. Capacitors & Dielectrics

27. Resistors & DC Circuits

28. Magnetic Fields and Forces

29. Sources of Magnetic Field

30. Induction and Inductance

31. Alternating Current

32. Electromagnetic Waves

33. Geometric Optics

34. Wave Optics

36. Special Relativity

[BOOK PHYS] !CLUTCH

If every resistor below has resistance R, what is the equivalent resistance of the combination, in terms of R?<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/03acfa41"alt=""/>

Weird Arrangement (Re-Drawing Resistors)

What is the equivalent resistance of a <math display='inline'><mrow><mn>4.0</mn><mtext>&#x00A0;</mtext><mo>&#x03A9;</mo></mrow></math> resistor in series with a <math display='inline'><mrow><mn>6.0</mn><mtext>&#x00A0;</mtext><mo>&#x03A9;</mo></mrow></math> resistor?

Combining Resistors in Series & Parallel

What is the equivalent resistance of a <math display='inline'><mrow><mn>4.0</mn><mtext>&#x00A0;</mtext><mo>&#x03A9;</mo></mrow></math> resistor in parallel with a <math display='inline'><mrow><mn>6.0</mn><mtext>&#x00A0;</mtext><mo>&#x03A9;</mo></mrow></math> resistor?

Find Equivalent Resistance #2

Power Rating of a Resistor. The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor. (c) A 100.0-Ω and a 150.0-Ω resistor, both rated at 2.00 W, are connected in series across a variable potential difference. What is the greatest this potential difference can be without overheating either resistor, and what is the rate of heat generated in each resistor under these conditions?

Three identical resistors are in parallel, and together they have an equivalent resistance of R. What is the resistance of each resistor?

Anderson Video - Resistance and Temperature

A triangular array of resistors is shown in Fig. E26.5. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/d33b04d83609db66-1672344669072.jpg" alt="" /> What current will this array draw from a 35.0-V battery having negligible internal resistance if we connect it across (c) ac?

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. The two light bulbs are now connected in parallel across the 120-V line. Find (e) the power dissipated in each bulb.

Anderson Video - Circuit Elements

A uniform wire of resistance R is cut into three equal lengths. One of these is formed into a circle and connected between the other two (Fig. E26.1). <img src="https://lightcat-files.s3.amazonaws.com/problem_images/97481871c7c0efaa-1672342483461.jpg" alt="" /> What is the resistance between the opposite ends a and b?

How to Add Resistors in a Parallel Circuit

Equivalent Resistance with Variables (Literal Solution)

Anderson Video - DC Circuits Intro

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. If the two light bulbs are connected in series across a 120-V line, find (c) the total power dissipated in both bulbs.

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. The two light bulbs are now connected in parallel across the 120-V line. Find (d) the current through each bulb.

What is the equivalent resistance of the following combination of resistors?<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/85b19043"alt=""/>

Calculating resistance in parallel

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. If the two light bulbs are connected in series across a 120-V line, find (b) the power dissipated in each bulb.

Find Equivalent Resistance #1

A triangular array of resistors is shown in Fig. E26.5. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/d98294dfd929ee37-1672344400732.jpg" alt="" /> What current will this array draw from a 35.0-V battery having negligible internal resistance if we connect it across (b) bc?

Power Rating of a Resistor. The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor. (b) A 9.0-kΩ resistor is to be connected across a 120-V potential difference. What power rating is required?

Shortcut Equations for Resistors Parallel

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. The two light bulbs are connected in series across a 120-V line. Afterwards, the two light bulbs are connected in parallel across the 120-V line. (g) In each situation, which of the two bulbs glows the brightest?

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. The two light bulbs are connected in series across a 120-V line. Afterwards, the two light bulbs are connected in parallel across the 120-V line. (h) In which situation is there a greater total light output from both bulbs combined?

Resistors in Series and Parallel

Anderson Video - Superconductors

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. The two light bulbs are now connected in parallel across the 120-V line. Find (f) the total power dissipated in both bulbs.

A triangular array of resistors is shown in Fig. E26.5. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/1a95c98b49c44d8b-1672344899285.jpg" alt="" /> (d) If the battery has an internal resistance of 3.00Ω, what current will the array draw if the battery is connected across bc?

A machine part has a resistor X protruding from an opening in the side. This resistor is connected to three other resistors, as shown in Fig. E26.2. An ohmmeter connected across a and b reads 2.00 Ω. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/d057737bc340329e-1672343185981.jpg" alt="" /> What is the resistance of X?

Power Rating of a Resistor. The power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in temperature and hence damage to the resistor. (a) If the power rating of a 15-kΩ resistor is 5.0 W, what is the maximum allowable potential difference across the termi-nals of the resistor?

What is the equivalent resistance of the following combination of resistors?<img src="https://static.studychannel.pearsonprd.tech/courses/physics/thumbnails/images/e1d6fa81"alt=""/>

Light Bulbs in Series and in Parallel. Two light bulbs have constant resistances of 400Ω and 800Ω. If the two light bulbs are connected in series across a 120-V line, find (a) the current through each bulb.

Anderson Video - Internal Resistance

Anderson Video - Circuits with Resistors

Resistors in Electric Circuits (4 of 16) Adding Resistors to Series Circuits, Part 1

A triangular array of resistors is shown in Fig. E26.5. <img src="https://lightcat-files.s3.amazonaws.com/problem_images/0f59e4685da9acb2-1672343791087.jpg" alt="" /> What current will this array draw from a 35.0-V battery having negligible internal resistance if we connect it across (a) ab?

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