Question 1 (1 point)
A ferromagnetic material as shown with a square cross-sectional area of 16cm^(2)
has a relative permeability of 1000 . The number of turns in the coil is 1000 . If the
outer (maximum) circumference of the core is 86.5cm, the current required to
produce a flux of 6.4pi mWb is
Amperes.
Your Answer:
Answer
Question 2 (1 point)
A ferromagnetic material (Fig. A) with a square cross-sectional area of 16cm^(2)
has a relative permeability of 1000 . The number of turns in the coil is 1000 . The
magnetic flux established in the core (Fig. A) is 6.4pi mWb. The above core is
cut into equal halves and the one with the coil is extended with the same material
as shown in Fig. B. If the outer (maximum) circumference of the core in Fig.
A is 93.0cm, the new number of turns in the coil required (Fig. B) to produce the
same magnetic flux of 6.4pi mWb with same current as of Fig. A is
turns.
Question 1 (1 point)
A ferromagnetic material as shown with a square cross-sectional area of 16 cm2 has a relative permeability of 1000. The number of turns in the coil is 1000. If the outer (maximum) circumference of the core is 86.5 cm, the current required to produce a flux of 6. 47T mWb is Amperes.
Your Answer:
Answer
Question 2 (1 point)
A ferromagnetic material (Fig. A) with a square cross-sectional area of 16 cm2 has a relative permeability of 1000. The number of turns in the coil is 1000. The
cut into equal halves and the one with the coil is extended with the same material as shown in Fig. B. If the outer (maximum) circumference of the core in Fig. A is 93.0 cm, the new number of tums in the coil required (Fig. B) to produce the same magnetic flux of 6. 4T mWb with same current as of Fig. A is turns.
Fig. A
Fig. B