With a current of 50.0 mA, the magnetic flux density inside the ferrite-filled core of a...
With a current of 50.0 mA, the magnetic flux density inside the ferrite-filled core of a 40 loop solenoid is 48.0 mT. What is the length of the solenoid? [The relative permeability of the ferrite, μr = 195] [
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With a current of 50.0 mA, the magnetic flux density inside the
ferrite-filled core of a...
A 3.0 amp current flowing through a solenoid, length 2.5 cm, produces a magnetic flux density...
A 3.0 amp current flowing through a solenoid, length 2.5 cm, produces a magnetic flux density in the air-filled core of 6.0 mT. How many complete turns of wire make up the solenoid?
A 45.0 mA current is carried by a uniformly wound air-core solenoid with 435 turns, a...
A 45.0 mA current is carried by a uniformly wound air-core solenoid with 435 turns, a 19.5 mm diameter, and 14.0 cm length. (a) Compute the magnetic field inside the solenoid. (b) Compute the magnetic flux through each turn. (c) Compute the inductance of the solenoid. (d) Which of these quantities depends on the current? (Select all that apply.) magnetic field inside the solenoid magnetic flux through each turn inductance of the solenoid
A 43.0 mA current is carried by a uniformly wound air-core solenoid with 420 turns, a...
A 43.0 mA current is carried by a uniformly wound air-core solenoid with 420 turns, a 13.0 mm diameter, and 11.0 cm length. (a) Compute the magnetic field inside the solenoid. HT (b) Compute the magnetic flux through each turn. Tm2 (c) Compute the inductance of the solenoid. mH (d) Which of these quantities depends on the current? (Select all that apply.) magnetic field inside the solenoid magnetic flux through each turn m inductance of the solenoid
Determine the current I flowing through a solenoid, if the magnetic flux inside its core is...
Determine the current I flowing through a solenoid, if the magnetic flux inside its core is found to be 2.70 x 10 Wb. The radius of the solenoid is 36.0 cm and the number of turns per meter is 235 Additional Materiale
A thin rectangular ferrite clip is used around a wire for suppression of electromagnetic interference. The...
A thin rectangular ferrite clip is used around a wire for
suppression of electromagnetic interference. The wire carries 7
Amps of DC current at the moment. The relative magnetic
permeability of the ferrite material is µr = 600. Calculate the
magnetic flux density magnitude B inside the ferrite clip,
according to the Ampere’s law given below:
B · dl = µ0*µr*I
The dimensions of the clip are a = 30 cm and b = 40 cm. Assume
that curve ~l...
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow....
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow. all of the important tures, and indicating Stating any approximations that you make, show that the axial magnetic [5 fux density, B, deep inside a long solenoid of length 1, total number of turns N, carrying a current 1, is approximately Two solenoids are arranged as...
[Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the...
[Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the below figure. The cross-sectional area of the core is A. = 20 cm?, the mean length of the core is l. =80 cm, and the length of the airgap is 0.06 cm. The number of turns on the coil is 200. The relative permeability of the core can be assumed to be constant and equal to 2000. The fringing effect causes a 6% increase...
3. [Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in...
3. [Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the below figure. The cross-sectional area of the core is A = 20 cm², the mean length of the core is l. =80 cm, and the length of the airgap is 0.06 cm. The number of turns on the coil is 200. The relative permeability of the core can be assumed to be constant and equal to 2000. The fringing effect causes a 6%...
Consider the core given in Fig.1. Relative permeability of the core material is 2000. a) What should be the coil current to achive a flux density of 2T when x-0. State your assumptions in the calcula...
Consider the core given in Fig.1. Relative permeability of the core material is 2000. a) What should be the coil current to achive a flux density of 2T when x-0. State your assumptions in the calculations b) Current in the coil is kept constant at the value found in part (a) as the armature moves to x-2 mm. What is the flux density when x-2 mm? alculate the energy stored in the magnetic circuit when x-0 and current in part...
A laminated magnetic core is operating at 50 Hz with a peak flux density of 1 T. At this flux density, the core has an i...
A laminated magnetic core is operating at 50 Hz with a peak flux density of 1 T. At this flux density, the core has an iron loss of 3 W. (a) The peak flux density is increased to 1.5 T. Estimate the new core loss. (b) The operating frequency is increased to 400 Hz with the original peak flux density of 1T. Estimate the new iron loss assuming that (i) the core only has hysteresis loss and has no eddy-current...
A 43.0 mA current is carried by a uniformly wound air-core solenoid with 420 turns, a 13.0 mm diameter, and 11.0 cm length. (a) Compute the magnetic field inside the solenoid. HT (b) Compute the magnetic flux through each turn. Tm2 (c) Compute the inductance of the solenoid. mH (d) Which of these quantities depends on the current? (Select all that apply.) magnetic field inside the solenoid magnetic flux through each turn m inductance of the solenoid
Determine the current I flowing through a solenoid, if the magnetic flux inside its core is found to be 2.70 x 10 Wb. The radius of the solenoid is 36.0 cm and the number of turns per meter is 235 Additional Materiale
A thin rectangular ferrite clip is used around a wire for
suppression of electromagnetic interference. The wire carries 7
Amps of DC current at the moment. The relative magnetic
permeability of the ferrite material is µr = 600. Calculate the
magnetic flux density magnitude B inside the ferrite clip,
according to the Ampere’s law given below:
B · dl = µ0*µr*I
The dimensions of the clip are a = 30 cm and b = 40 cm. Assume
that curve ~l...
A21921 Section B 4. (a) Sketch the lines of magnetic flux B inside and outside a long, curent- carrying solenoid, labelling a clearly the direction of B relative to the direction of current flow. all of the important tures, and indicating Stating any approximations that you make, show that the axial magnetic [5 fux density, B, deep inside a long solenoid of length 1, total number of turns N, carrying a current 1, is approximately Two solenoids are arranged as...
[Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the below figure. The cross-sectional area of the core is A. = 20 cm?, the mean length of the core is l. =80 cm, and the length of the airgap is 0.06 cm. The number of turns on the coil is 200. The relative permeability of the core can be assumed to be constant and equal to 2000. The fringing effect causes a 6% increase...
3. [Magnetic circuits – 20 points] A two-legged magnetic core with an airgap is shown in the below figure. The cross-sectional area of the core is A = 20 cm², the mean length of the core is l. =80 cm, and the length of the airgap is 0.06 cm. The number of turns on the coil is 200. The relative permeability of the core can be assumed to be constant and equal to 2000. The fringing effect causes a 6%...
Consider the core given in Fig.1. Relative permeability of the core material is 2000. a) What should be the coil current to achive a flux density of 2T when x-0. State your assumptions in the calculations b) Current in the coil is kept constant at the value found in part (a) as the armature moves to x-2 mm. What is the flux density when x-2 mm? alculate the energy stored in the magnetic circuit when x-0 and current in part...
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