Part a:
The value of the EMF developed.
Answer to Problem 9P
Solution:
The EMF developed is equal to .
Explanation of Solution
EMF is the abbreviated form of electromotive force, it is defined as the electrical intensity developed by a source of electrical energy.
Given:
The magnetic field is 0.800 T.
The length of the rod of the 12 cm.
The velocity with which the rod is moving is .
Formula used:
The expression for the EMF is as follows:
Here, B is the magnetic field, l is the length of rod, and v is the velocity.
Calculation:
Substitute 0.800 T for B, 12.0 cm for l, and for v in the equation .
Part b:
The electric field felt by the electrons in the rod.
Answer to Problem 9P
Solution:
The electric field felt by the electrons in the rod is equal to .
Explanation of Solution
The region around the electrons within which the force would be exerted on the other charged particle is defined as electric field.
Given:
The length of the rod is 12.0 cm.
The magnetic field is 0.800 T.
Formula used:
The expression to calculate the electric field by the electrons on the rod is as follows:
Here, is the EMF developed or induced.
Calculation:
Substitute for and 12.0 cm for l in the equation .
Chapter 21 Solutions
Physics: Principles with Applications
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