5. If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density ________.
remains the same (c)
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Related Posts 5555555555 2. When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage ________. (a) increases (b) decreases (c) remains constant (d) reaches zero 5555555555 18. What is the flux density when the flux is 5.5 μWb and the cross-sectional area is 6 × 10–3 m2? (a) 91.7 μT (b) 917 μT (c) 91 T (d) 9.7 T 5555555555 14. When the current through an inductor decreases, the amount of energy stored in the electromagnetic field ________. (a) increases (b) decreases (c) remains the same (d) doubles 5555555555 21. What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 μWb? (a) 6,000 μT (b) 600 μT (c) 600 T (d) 6 T 5555555555 3. For a given wirewound core, an increase in current through the coil ________. (a) reverses the flux lines (b) decreases the flux density (c) increases the flux density (d) causes no change in flux density