Conceptual Physics

Chapter 27 Problems Conceptual Problems C.1 A cheap flashlight is dropped into seawater. It is "short-circuited". What does this ...

C.13There are three light bulbs in parallel, powered by a single battery. A fourth bulb is added in parallel. (a) What effect do ...

positive number.) V 3.7 A specialized 8.4-volt battery will supply 430 C of charge over its lifetime. Assume that the potential ...

(a) V (b) V (c) V Section 7 - Interactive problem: series wiring 7.1 Use the simulation in the interactive problem in this secti ...

10.8 You have ten 4.0 ȍ resistors. How can you create an equivalent resistance of 5.0 ȍ? (There is more than one correct solutio ...

12.2 (a) What will the ammeter read? Report this as a positive number. (b) How much power is dissipated by one of the 10.0 ȍ res ...

28.0 - Introduction Humankind has long been familiar with magnets, objects possessing “north” and “south” poles that can attract ...

28.1 - Magnet fundamentals Magnet: An object that creates a magnetic field and exerts a magnetic force. All known magnets have t ...

separate. Like electric fields, magnetic fields can be diagrammed with field lines. We have superimposed a drawing of magnetic f ...

28.4 - The Earth and magnetic fields The Earth acts like a huge magnet with an accompanying magnetic field. Compasses take advan ...

Declination Angle between magnetic, geographic pole Latitude Can be estimated with a dip needle 28.6 - Ferromagnetism Ferromagne ...

In many materials, the spin of each electron cancels out that of another electron in the same atom with which it is “paired,” re ...

Four factors determine the amount of force exerted by a magnetic field on a moving particle. They are the particle’s charge and ...

The particle is moving to the right. What are the magnitude and direction of the force on it? ș = 90° F = |q|vB sin ș F = 2.3×10 ...

What is the relationship between the directions of the field and the velocity vector when the force equals zero? (Note: There ar ...

The force is 4.0×10í^5 N and the chargeq is 2.0 ȝC. What is B? B = 0.80 T 28.11 - Interactive problem: B field strength and part ...

conclude that the magnetic field vector must point away from you, which is how it is depicted in the diagram. In the setup shown ...

If you recall your studies of uniform circular motion and centripetal forces, this may all sound familiar. A constant force that ...

f = frequency, Ȧ = angular frequency m = 2.5×10í^7 kg and B = 0.50 T. What is the angular frequency of the particle’s motion? Ȧ ...

Physics principles and equations The relationship between angular velocity and tangential speed is v = rȦ The radius of a partic ...