The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength?
Correct answer
A. 250 AT/m
Explanation
The correct answer is 250 AT/m.
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Study 85 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
A. 250 AT/m
Explanation
The correct answer is 250 AT/m.
Correct answer
A. it is dimensionless
Explanation
The correct answer is it is dimensionless.
Correct answer
D. the sum of all currents embraced by one line of magnetic field
Explanation
The correct answer is the sum of all currents embraced by one line of magnetic field.
Correct answer
A. temporary magnets
Explanation
The correct answer is temporary magnets.
Correct answer
A. from north pole to south pole
Explanation
The correct answer is from north pole to south pole.
Correct answer
B. ferromagnetic
Explanation
The correct answer is ferromagnetic.
Correct answer
A. Ebonite
Explanation
The correct answer is Ebonite.
Correct answer
A. flux density
Explanation
The correct answer is flux density.
Correct answer
D. Silver and copper
Explanation
The correct answer is Silver and copper.
Correct answer
B. M/2
Explanation
The correct answer is M/2.