Chapter 4: Q18E (page 714)
Repeat Exercise 21.17 for .
Short Answer
Charge is located at
Chapter 4: Q18E (page 714)
Repeat Exercise 21.17 for .
Charge is located at
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Get started for freeA 10.0cm long solenoid of diameter 0.400 cm is wound uniformly with 800 turns. A second coil with 50 turns is wound around the solenoid at its center. What is the mutual inductance of the combination of the two coils?
The power rating of a light bulb (such as a 100-W bulb) is the power it dissipates when connected across a 120-V potential difference. What is the resistance of (a) a 100-W bulb and (b) a 60-W bulb? (c) How much current does each bulb draw in normal use?
Two copper wires with different diameter are joined end to end. If a current flow in the wire combination, what happens to electrons when they move from the large diameter wire into the smaller diameter wire? Does their drift speed increase, decrease, or stay the same? If the drift speed change, what is the role the force that causes the change? Explain your reasoning.
An electron at point in figure has a speed . Find (a) the magnetic field that will cause the electron to follow the semicircular path from to and (b) The time required for the electron to move from
A particle with chargeis moving in a uniform magnetic fieldrole="math" localid="1655717557369"
The magnetic force on the particle is measured to berole="math" localid="1655717706597" (a) Calculate all the components of the velocity of the particle that you can from this information. (b) Are there
components of the velocity that are not determined by the measurement of the force? Explain. (c) Calculate the scalar product. What is the angle between velocity and force?
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