To understand Ampère’s law and its application.
1. The integral on the left is:.
a. the inte...
Physics, 15.08.2020 21:01 zachzach28280
To understand Ampère’s law and its application.
1. The integral on the left is:.
a. the integral throughout the chosen volume.
b. the surface integral over the open surface.
c. the surface integral over the closed surface bounded by the loop.
d. the line integral along the closed loop. law is often written.
2. The circle on the integral means that B(r) must be integrated:.
a. over acircle or a sphere.
b. alongany closed line that you choose.
c. alongthe path of a closed physical conductor.
d. over the surface bounded by thecurrent-carrying wire.
3. Which of the following choices of path allowyou to use Ampère’s law to find B(r)?
A. The path must pass through the point rvec.
B. The path must have enough symmetry so that B(r) .dl is constant along large parts of it.
C. The path must be a circle.
4. Ampère’s law can be used to findthe magnetic field around a straight current-carrying wire.
Is this statement true or false?
5. Ampère’s law can be used to findthe magnetic field at the center of a square loop carrying aconstant current. Is this statement true or false?
6. Ampère’s law can be used to findthe magnetic field at the center of a circle formed by acurrent-carrying conductor. Is this statement true or false?
7. Ampère’s law can be used to findthe magnetic field inside a toroid. (A toroid is a doughnut shapewound uniformly with many turns of wire). Is this statement true or false?
Answers: 1
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