Investigate Current and Magnetic Fields
Physics · Flashcards · Recall
PHYSICS · FLASHCARDS
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QUESTION
What is the direction of the magnetic field inside a current-carrying solenoid?
QUESTION
What is the direction of the force between two parallel wires carrying currents in the same direction?
QUESTION
What happens to the magnetic field around a wire if the current doubles?
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ANSWER
The field magnitude doubles. Field is directly proportional to current:
B
∝
I
B \propto I
B
∝
I
.
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