A 100-turn coil wound on a magnetic core is found to have an inductance of 200 mH. What inductance will be obtained if the number of turns is increased to 200, assuming that all of the flux links all of the turns?
Q: A coil of inductance 4 mH, produces 12000 Mx of magnetic flux. 9000 Mx of these total flux are…
A:
Q: 6. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If…
A:
Q: The figure below shows a square loop circuit, 10 cm on each side, containing a R = 5.6 Q resistor, a…
A: The capacitor has charged to a maximum charge: So, the maximum voltage across the capacitor at this…
Q: Magnetic field force lines created by the primary coil in transformers pass through the secondary…
A: A primary voltage produces an alternating current through the primary coil. Due to this primary coil…
Q: 1. Determine the emf induced in a coil of 200 turns, when there is a change of flux of 25 mWb…
A: According to Faradays law EMF induced is -Ndψdt…
Q: In a coil with radius of 6 cm and 400 turns, there is a magnetic field leaving in a direction…
A:
Q: A magnetic circuit consists of silicon steel of 3000 permeability, of 0.078 m length and a…
A:
Q: A coil of 100 turns has an inductance of 500 mH. If we pass a current of how many amperes through…
A: We have been given an coil with, Coil turns (N) = 100 turns Inductance of coil (L) = 500 mH = 500…
Q: 3- A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the…
A: Given lg =4 cmN=100μr =2000μo =4π×10-7
Q: 6. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If…
A: This question belongs to circuit theory . It is based on the concept of self inductance in coil due…
Q: Question-1 A coil of 1000 turns is wound on a laminated core of steel having a cross-section of 5…
A:
Q: A flat circular coil having 50 loops of wire on in has a diameter of 48 cm. What current must flow…
A: Given : A flat circular coil No of loops , N = 50 Diameter of coil = 48 cm , Radius = 0.24 m Flux…
Q: Determine the emf inducted in a coil that rotates its 1250 r/min. The coil has 60 windings and a…
A: Given data : Speed of coil N=1250rpm Magnetic flux ϕ=36mWb Coil length L=0.7m Coil width w=0.6m…
Q: 3-A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the…
A: To find the current that is required to produce Total flux of 0.00052 WB.
Q: A coil of 300 turns, wound on a core of non-magnetic material, has an inductance of 10 mH. Calculate…
A: Given: Number of turns in the coil, N=300 Inductance, L=10 mH Current, I=5 A Core is made of…
Q: HWA long solenoid that has 1000 furns uniformity distributed over a length of 0.4m produces a…
A:
Q: A magnetic circuit consists of silicon steel 2,500 permeability, of 10 cm length and a cross section…
A:
Q: A 200-turn toroidal coil (see Figure 14.8 on page 706) has r=1 cm and R=10 cm. When a current given…
A: Given voltage = 0.5 cos (200 t) V Calculating wavelength e=dλdtdλ=edt integrate both side…
Q: A circular coil of wire with 7 loops and a radius of 0.041 m is placed inside a solenoid. The coil…
A: In the solution, since the cross-sectional area of the solenoid has not been given, it is being…
Q: A magnetic field strength of 5000A/m is applied to a circular magnetic circuit of mean diameter 250…
A: In this question we need to find a current in the coil
Q: An electromagnet of an industrial machine generates a magnetic field of 1.5 mT in its cross section…
A: We need to tell about induced current in coil , we will find out induced emf then induced current.
Q: A magnetic circuit consists of silicon steel of 3000 permeability, of 0.078 m length and a…
A:
Q: A coil that consists of 450 windings is wound around a Bakelite ring. The mean diameter of the ring…
A: Coil: A coil is made by connecting a few curves in a series. Coils are used as components of…
Q: What will be the value of magnetic field at the centre of a 8 m long coil, when the coil has 260…
A: Given: Length of coil, l = 8 m Number of turns, N = 260 turns Current, I = 4 A
Q: A coil with a material which is having permittivity same as air having number of turns N=500.…
A: Given values are - N=500i=4ALengthL=2cm=2×10-2mAreaA=10cm2=10×10-4m2
Q: Question two: The magnetic circuit in Question one has the following parameters: N= 100 turns AC =…
A: In the magnetic circuit Number of turns = 100 Area A= 5cm2 inductance L= 10mH Find the length l
Q: A symmetrical toroidal coil is wound on a plastic core (μr ≡ 1) and is found to have an inductance…
A: Given Relative permeability of plastic and Relative permeability of ferrite μrp≅1μrp=200 Inductance…
Q: A solenoid of length 0.75 m produces a magnetic field of 7 T along its axis when its coils carry a…
A: Given: Solenoid length L=0.75 m Magnetic field B=7 T Current I=60 A
Q: A. The field winding of a DC generator is wound with 900 turns and has a resistance of 50 ohms. If…
A:
Q: Charge transferred to a 100-uF capacitor, when connected in parallel, is 200-uC. 4. A magnetic core…
A:
Q: An air core toroidal coil has 120 turns, the length is 12 cm and 12 sq. cm in area What is the…
A:
Q: 3- A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the…
A: Reluctance Reluctance is a property of magnetic material which opposes the flux in the magnetic…
Q: A coil with 2000 loops on its length has a diameter of 2cm. A current of 5A is sent through it which…
A:
Q: A magnetic flux of 6 Wb-turn sets up in the coil, when a current of 3 A flows through it. What is…
A: Given, a coil having Magnetic flux, Nϕ = 6 Wb-turn Current, I = 3 A
Q: A coil is placed along y-axis and moving with a velocity of 2i+6j-7k m/s. It is 1200mm long and…
A: The solution is given below
Q: A coil with 900 turns is wound over a magnetic core 5 cm in length, a cross-section of 2 sq. cm and…
A: In this question we need to find a magnetic flux generated by coil.
Q: 3- A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the…
A:
Q: A magnatic flux of 6 Wb-turn sets up in the coil, when a current of 3 A flows through it. What is…
A: As we have given: ϕ=6 Wbi=3 A
Q: Problem 4 The magnetic circuit shown in the figure has two windings and two air gaps. The core can…
A:
Q: A and B are two coils in close proximity. A has 1200 turns and B has 1000 turns. When a current of…
A: Given that Number of turns (NA) = 1200 Number of turns (NB) = 1000 Current I = 0.8A Flux φA = 100…
Q: Two coils, A and B having 1200 and 800 turns respectively are placed near to each other.60 % of flux…
A: Given data: Number of turns in coil A=NA=1200 Turns Number of turns in coil B=NB=800 Turns…
Q: If a current pass through an inductive, .magnetic energy will store in the coil True False
A: Inductors are used to store energy in form of magnetic field. When current is passed through the…
Q: If a current pass through an inductive, magnetic energy will store .in the coil True False
A: There are two types of passive elements in ehich energy store, namely Capacitor Inductor
Q: 4. An ideal core (assume relative permability is infinity) with a crossectional area of 12 cm² is…
A:
Q: A magnetic circuit consists of 20cm length silicon of permeability of 2000 and an air gap of 1cm.…
A:
Q: Given a common magnetic core whose length is 100 cm, its cross-sectional area is 25 cm square. The…
A: The solution is given below
Q: Q8) If a time-varying magnetic flux is applied perpendicularly on a filament wire loop that includes…
A: Maxwell equation for time varying field- For time varying current, electromagnetic wave are…
A 100-turn coil wound on a magnetic core is found to have an inductance of 200 mH. What inductance will be obtained if the number of turns is increased to 200, assuming that all of the flux links all of the turns?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- An air-core toroidal coil has 150 turns and the mean length is 15 cm. Find the current required to produce a flux of 1.5 μWb if its cross sectional area is 10 cm^2.A flat circular coil having 50 loops of wire on in has a diameter of 48 cm. What current must flow in its wires to produce a flux density of 0.005 Tesla at its center?A symmetrical toroidal coil is wound on a plastic core (μr ≡ 1) and is found to have an inductance of 1 mH. What inductance will result if the core material is changed to a ferrite having μr=200? Assume that the entire magnetic path is composed of ferrite.
- A magnetic material has a relative permeability of 3500. A magnetic circuit is constructed using this material of length 0.35 m and area 0.02 m2. Design a coil with a suitable number of turns and current flow to establish a magnetic flux density of 1.0 T in the material while maintaining a coil inductance less of than 500 mH.Two identical coils are wound on a ring-shaped iron core that has a relative permeability of 500. Each coil has 100 turns, and the core dimensions are: cross- sectional area A=3 cm2 and magnetic path length l=20cm. Assume k=0.5. Calculate: a. Mutual inductance b. Total inductance in series if their fields reinforce.An ideal core (assume relative permability is infinity) with a crossectional area of 12 cm2 is excited via 10A current flowing through coil with 200 turns. On the one side of the coil, a 1 cm long paramagnetic material (μr=1) is placed. Calculate the magnetic field on paramagnetic material
- A 200-turn toroidal coil (see Figure 14.8 on page 706) has r=1 cm and R=10 cm. When a current given by 0.05 sin (200t) A flows in the coil, the voltage is 0.5 cos (200t) A. Determine the flux ϕ as a function of time and the relative permeability of the core material8. When one coil of a magnetically coupled pair has a current of 5 A, the resulting fluxes $11 and 12 are 0.40 mWb and 0.80 mWb, respectively. If the number of turns N1 and N2 are 500 and 1500, respectively, what is the self-inductance L2?A coil of resistance 100W is placed in a magnetic field of 1mW. The coil has 100 turns and a galvanometer of 400W resistance is connected in series with it. Find the average emf and the current if the coil is move in 1/10th second from the given field to a field of 0.2mWb.
- A. A coil of 1000 turns is uniformly wound on a ring of non-magnetic material, the mean diameter being 20 cm. The cross-sectional area of the coil is 4 cm2. Determine the selfinductance of the coil.For a motor design, you need to design a solenoid coil that produces a magnetic flux density (B) of at least 2000 gauss when a 10 mA current flows through the conductor. Due to space limitations, the coil only can be 10 turns over a 1 cm length. To obtain the needed performance, go to Table 3 and choose a core material for the coil.A coil with 150 turns is wound over a 200 cm a cylinder iron core whose relative permeability is 250. If a current of 2 A is pass through the coil, determine the flux density in the core.