Homework Answers
Add Answer to:
Magnetism and electromagnetism
(9 Marks) Q2. A steel ring has a mean diameter of 20 cm...
A cast-steel ring has a mean diameter of 160mm and a cross sectional area of 300mm2....
A cast-steel ring has a mean diameter of 160mm and a cross sectional area of 300mm2. Calculate: a) The m.m.f to produce a flux of 400x10-6Wb; b) The corresponding values of the reluctance of the ring and the relative permeability.
can i get the right solution please Question 1: (25 marks) A ring of steel has...
can i get the right solution please
Question 1: (25 marks) A ring of steel has an external diameter of 24cm and a square cross section of 3cm by 3cm, as she m, as shown in Figure 1. A gap of 3mm exists on the ring. A copper bar of 18cm x 3cm x 3cm is fitted inside Titted inside and across the ring with negligible gap. Account for fringing by using the effective area of the air approximated by:...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be negle...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be neglected (i) Determine the current required in a coil of 1100 turns to produce a flux density of 1 T The relative permeability , of the core material (iron) may be assumed to be 3000 for this level...
EO Vuy vvvvvvvv NTurns 93 The relative permeability of the core material is 3500, and the...
EO Vuy vvvvvvvv NTurns 93 The relative permeability of the core material is 3500, and the average length of the core is 52cm as the cross- section of the core is 64cm2. The core is uniform of cross-section (all limbs have the same cross-section). There are 80 turns on the coil. Answer the following questions, 1) The reluctance of the core (AT/Wb) 2) Find the flux density (T) of the core if the current į in the coil is 0.75...
- 8 cm 8 cm 0.5 cm N=500 Consider the magnetic core with an air gap...
- 8 cm 8 cm 0.5 cm N=500 Consider the magnetic core with an air gap as shown in Figure Q3. The core material has a relative permeability of 6000 and a rectangular cross section 2cm x 3cm. The coil has 500 turns. Given that permeability of free space is Ho = 41 x 10-7. a) Lukiskan litar magnet yang berkenaan. Draw the equivalent magnetic circuit. (2 markah/marks) b) Tentukan keratan rentas (Acore) dan engganan (Rcore) untuk teras. Determine the...
Prob.l. A rectangular magnetic core shown in the below Fig, has square cross-section of area 16...
Prob.l. A rectangular magnetic core shown in the below Fig, has square cross-section of area 16 cm". An air-gap of 2 mm is cut across one of its limbs. Find the exciting current needed in the coil having 1000 turns wound on the core to create an airgap mu of 4 m Wb. The relative permeability of the core is 2000. N=1000 2 mm 25 cm - - 20 cm
1. (a) The C core and I core as shown in the below figure have a...
1. (a) The C core and I core as shown in the below figure have a uniform cross-section of 5mm x 5mm. (i) If both cores have a relative permeability ur of 1000, calculate the reluctance when both cores are attached to each other to form a rectangular core. (ii) When a coil of 40 turns is wound around the above rectangular core, calculate the corresponding inductance. (b) The cores described in part (a) are now assembled with a non-magnetic...
[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...
explain in a simple way Assignment Report Q1. For the Magnetic circuit shown in Fig. 5.1,...
explain in a simple way
Assignment Report Q1. For the Magnetic circuit shown in Fig. 5.1, relative permeability of the core material is 6000, its rectangular cross section is 2 cm by 3 cm. The coil has 500 turns and the core thickness is 3 cm. If flux density in the gap is 0.25 T. Find the following: a) The gap reluctance (assume that fringing increases effective cross-sectional area of air gap by 50%). b) The required airgap mmf. c)...
Chapter 2 Question A toroidal core of relative permeability 1000 has a mean diameter of 300...
Chapter 2 Question A toroidal core of relative permeability 1000 has a mean diameter of 300 mm and a cross sectional area of 6 cm". The core is wound with 1000 turns. If a dc current establishes a flux in the core of 6 x 10-4 Webers, determine: (a) (1) the magnetic flux density. (ii) the inductance. (iii) the magnetic intensity (H). (iv) the stored energy.
can i get the right solution please
Question 1: (25 marks) A ring of steel has an external diameter of 24cm and a square cross section of 3cm by 3cm, as she m, as shown in Figure 1. A gap of 3mm exists on the ring. A copper bar of 18cm x 3cm x 3cm is fitted inside Titted inside and across the ring with negligible gap. Account for fringing by using the effective area of the air approximated by:...
15 marks] B. A toroidal core with a mean diameter of 200 mm and a cross-sectional area of 800 mm has an air gap of length 1.1 mm cut in it Fringing and leakage of flux around the air gap may be neglected (i) Determine the current required in a coil of 1100 turns to produce a flux density of 1 T The relative permeability , of the core material (iron) may be assumed to be 3000 for this level...
EO Vuy vvvvvvvv NTurns 93 The relative permeability of the core material is 3500, and the average length of the core is 52cm as the cross- section of the core is 64cm2. The core is uniform of cross-section (all limbs have the same cross-section). There are 80 turns on the coil. Answer the following questions, 1) The reluctance of the core (AT/Wb) 2) Find the flux density (T) of the core if the current į in the coil is 0.75...
- 8 cm 8 cm 0.5 cm N=500 Consider the magnetic core with an air gap as shown in Figure Q3. The core material has a relative permeability of 6000 and a rectangular cross section 2cm x 3cm. The coil has 500 turns. Given that permeability of free space is Ho = 41 x 10-7. a) Lukiskan litar magnet yang berkenaan. Draw the equivalent magnetic circuit. (2 markah/marks) b) Tentukan keratan rentas (Acore) dan engganan (Rcore) untuk teras. Determine the...
Prob.l. A rectangular magnetic core shown in the below Fig, has square cross-section of area 16 cm". An air-gap of 2 mm is cut across one of its limbs. Find the exciting current needed in the coil having 1000 turns wound on the core to create an airgap mu of 4 m Wb. The relative permeability of the core is 2000. N=1000 2 mm 25 cm - - 20 cm
1. (a) The C core and I core as shown in the below figure have a uniform cross-section of 5mm x 5mm. (i) If both cores have a relative permeability ur of 1000, calculate the reluctance when both cores are attached to each other to form a rectangular core. (ii) When a coil of 40 turns is wound around the above rectangular core, calculate the corresponding inductance. (b) The cores described in part (a) are now assembled with a non-magnetic...
[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...
explain in a simple way
Assignment Report Q1. For the Magnetic circuit shown in Fig. 5.1, relative permeability of the core material is 6000, its rectangular cross section is 2 cm by 3 cm. The coil has 500 turns and the core thickness is 3 cm. If flux density in the gap is 0.25 T. Find the following: a) The gap reluctance (assume that fringing increases effective cross-sectional area of air gap by 50%). b) The required airgap mmf. c)...
Chapter 2 Question A toroidal core of relative permeability 1000 has a mean diameter of 300 mm and a cross sectional area of 6 cm". The core is wound with 1000 turns. If a dc current establishes a flux in the core of 6 x 10-4 Webers, determine: (a) (1) the magnetic flux density. (ii) the inductance. (iii) the magnetic intensity (H). (iv) the stored energy.
Most questions answered within 3 hours.
-
QUESTION 5
A drug or medicine can reach the brain more effectively by
placing the drug...
asked 9 minutes ago -
Developmental biology
A mouse contains a mutation that results in a failure of their
long
bones...
asked 5 minutes ago -
Alice has the RSA public key (n, e) = (11413, 251) and private
key d =...
asked 6 minutes ago -
Rammazzotti, Inc., is looking for feedback on company
performance. The company compares the budget for the...
asked 11 minutes ago -
A manufacturer of chocolate chips would like to know whether its
bag filling machine works correctly...
asked 19 minutes ago -
Consider the student registration business process at
your college:
1.)Describe the steps necessary for you to...
asked 26 minutes ago -
when released from rest at point A, an unknown ion moves to
point B. At point...
asked 18 minutes ago -
A stock is expected to pay the following dividends: $1.1
four years from now, $1.4 five...
asked 24 minutes ago -
G=yellow and g=green pea seeds. You cross a heterozygous
yellow-seeded plant with a green-seeded plant to...
asked 26 minutes ago -
Current Balance Experiment
a) When there is no current flowing through the electromagnet
coil, is there...
asked 25 minutes ago -
In Visual Basic 2017, Write a complete Main method that prints
Hello, world to the screen....
asked 41 minutes ago -
a) Find the pressure difference on an airplane wing if air flows
over the upper surface...
asked 47 minutes ago