If the magnetic field around a closed loop is constant, what can be said about the current through the loop?
Correct Answer: Current is constant.
- Step 1: Understand what a closed loop is. A closed loop is a complete path for electric current to flow, like a circle.
- Step 2: Know what a magnetic field is. A magnetic field is an area around a magnet where magnetic forces can be felt.
- Step 3: Recognize that a constant magnetic field means the strength and direction of the magnetic field do not change over time.
- Step 4: Learn about Ampere's Law, which relates the magnetic field around a loop to the electric current flowing through it.
- Step 5: According to Ampere's Law, if the magnetic field around the loop is constant, the current flowing through the loop must also be constant.
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