* Vorying current in a coil chonges from 1oA to zero in 0:5sec f the auercage emf induced in the coil is aað v, then the exf self indrelance ef the coil éo -
Q: econd. A e EMF ov
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Q: Ps: 0.212V is also wrong
A: Step 1:Length is 9.4×10−2mArea is 5×10−5m2No of turns is 6500 per meter of lengthCurrent is 1.5ATime…
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A: Given:magnetic field of earth (B) = 5 * 10-5 Tnumber of turns in the coil (N) = 260the angle between…
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A: electric arc often appear in a switch at the moment
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A: Given data: Inductance (L) = 14 mH = 14×10-3 H Initial current (Ii) = 3.0 A Final current (If) =…
Q: After investigating the voltage, V, induced in a coil due to motion of the magnet, a group produced…
A: Required : What should they do next after producing the model.
Q: hine circuit, if the coil resistance is 88 kOhm, the current is 2.5 mA, voltage is 220 J, and the…
A: Inductance of coil.
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A: 73 loops coil of wire 0.3m x 0.2m that has a magnetic field increases from -3T to5T in 0.15s that is…
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Q: Figure 3 shows a resistor which is connected in a circuit consisting of a circular loop with…
A: Magnetic field is B = 1.10 T Area of the loop is A = 100×10-⁴ m² => A = 1×10-² m² ∆t = 0.05 s…
Q: A circular coil (620 turns, radius = 0.087 m) is rotating in a uniform magnetic field. At t=0s, the…
A: Given data, No. of turns N=620 turns EMF e=0.083 V Radius r= 0.087 m Initial Angle θ1=45° Final…
Q: A 60 loop circular coil has a diameter of 8cm. It is oriented so that the field lines of an applied…
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Q: The inductance of a closely packed coil of 500 turns is 11 mH. Calculate the magnetic flux through…
A: Magnetic flux.
Q: The magnetic flux through a 100 turn coil changes from 0.0273 Tm² to 0 in 0.824 s. What emf is…
A: Given Data The number of turn of coil is:N=100 turns The change in magnetic flux is:dφ=0.0273…
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A: The circuit consists of a capacitor and an inductor.Write the expression for the energy stored in…
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Q: In the figure, a 150-turn coil of radius 2.8 cm and resistance 4.2 Q is coaxial with a solenoid of…
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Q: Consider a solenoidal coil initially carrying a time- varying current i(t) wrapped around a second…
A: Consider a solenoidal coil initially carrying a time- varying current i(t) wrapped around a second…
Q: A coil of 1000 turns encloses an area of 25 cm2 and is in a magnetic field of strength 3e-6 T which…
A: Number of turns (N) =1000 Area (A) = 25 cm2 B1 = 36e-6 T B2 = 0 T ∆t = 0.5 min = 30 sec (half a…
Q: Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…
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Q: Ex. 65 : When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a…
A: To find-(1) Resistance of coil (2) Inductance of coilGiven-E=D.C. voltage=100 VI=1 AErms=100 VF=50…
Q: A coil is wound with 125 turns on a rectangle former with a length and width of 100 mm and 50 mm,…
A: When there is a change in flux in the loop an EMF is generated in the loop due to which current…
Q: A motor has coils with a resistance of 15 N and operates from a voltage of 240 V. When the motor is…
A: Given Data: The given resistance is: R=15 Ω The voltage of the circuit is: ε=240 V The back emf at…
Q: The magnetic flux associated with the coil changes from zero to 6 x 10 Wb in 10 sec. Calculate…
A: To find-Induced emf (e)=?Given-ϕ1=0 Wbϕ2=4×10-4 WbTime (t)=10 sec
Q: In the figure, a 110-turn coil of radius 2.10 cm and resistance 6.80 N is coaxial with a solenoid of…
A: Number of turns , N = 110 Radius , r = 2.1 cm = 0.021 m Resistance , R = 6.8 Ω Number of turns per…
Q: When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a 100…
A: When 100 volt DC is applied 1 amp flows through it Therefore Resistance = 100/ 1 = 100 ohm…
Q: wing the figure, which is the refected ray? Ob. D Od. A ne magnetic flux of a coil will be minimum…
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Q: You want to investigate the voltage, V, induced in a coil due to motion of the magnet. A setup is…
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Q: Two coils close to each other have a mutual inductance of 29 mH. The current in one coil decays…
A: Given :- L = 29 mH I = I0 e-αt Io = 6A α = 1.5 * 10^3 s-
Q: 22. * BIO Breathing monitor An apnea monitor for adults consists of a flexible coil that wraps…
A: From Faraday's law of electromagnetic induction, the magnitude of induced emf is given by
Q: In the figure, a 160-turn coil of radius 2.3 cm and resistance 5.5 Q is coaxial with a solenoid of…
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Q: 10 and 11 please
A: 10. When an emf is produced in a coil because of the change in current in a coupled coil, this…
Q: A 135 turn circular coil of radius 2.19 cm is immersed in a uniform magnetic field that is…
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Q: Two coils close to each other have a mutual inductance of 29 mH. The current in one coil decays…
A: Given that-L=29mHI=I0e-αt equation 01here, I0=6 Athen, α=1.5×103 By using Faraday's law of…
Q: 4. Two wires carry currents in the directions shown. Both currents are initially equal and are…
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Q: In the circuit shown, the switch S is closed at time t=0. a) Find the current in the 100 2 resistor…
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Q: Generator and Transformer - Applications of Electromagnetic Induction Electricity Generator Induced…
A: Given, The magnetic field, B=1.29T The number of turns, N=200 The radius of the coil, r=0.060m a.…
Q: If a magnet is held stationary and a coil is moved towards the magnet with high speed then, O a.…
A: As we move the coil towards magnetic, the magnetic field changes and hence induces an emf in the…
Q: Upward Coil diameter = 40 cm Coil connected in battery Downward Coil length = 2 cm BATTERY
A: Given, Diameter of coil, D=40cm=0.4m Length of coil, l=2cm=0.02m Current, dI=10A Time interval, d…
Q: When you move a magnet through a 1 loop coil you detect a voltage of 0.001 volts, what voltage would…
A: N1/N2=V1/V2 N1=1 V1=0.001 V N2=1000
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