A powerful induction cannon can be made by placing a metal cylinder inside a solenoid coil. The cylinder is forcefully expelled when solenoid current is turned on rapidly. Use Faraday’s and Lenz’s laws to explain how this works. Why might the cylinder get live/hot when the cannon is fired?

Q: 11. Suppose that the coil illustrated below has a length of L = 20.0 m, a radius of r = 1.00 m, N =…

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Q: A bar of magnet falls with uniform speed through a coil of wire with its plane horizontal. The long…

A: in this question we discuss  about induced emf due to magnetic field.

Q: Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed…

A: From faradays law of electromagnetic Induction we know that   Emf induceed in the closed loop is…

Q: To monitor the breathing of a hospital patient, a thin belt is wrapped around the patient's chest as…

A: Given data as per question N   =  200 loop A  =  38 cm2 t  =  2s

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest.…

A: Write a given value of this question. N=240turnA=44.0cm2=44×10-2m2B=50Tθ=29°Cdt=2.00s

Q: A 133-turn square wire coil with sides of length L = 18.4cm rotates about a vertical axis at…

A: Here given a 133 turn square wire coil with sides of length L = 18.4 cm. The vertical axis rotates…

Q: 73 loops coil of wire 0.3m x 0.2m that has a magnetic field increases from -3T to5T in 0.15s that is…

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…

Q: 29.51     In Fig. P29.51 the loop is being pulled to the right at constant speed v.  A constant…

A: Part A:(1)

Q: circular coil with a diameter of 13 cm is made up of thin wire wound into 450 turns. It is placed in…

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Q: How does increasing the number of loops strengthen the magnitude of the induced ELECTROMOTIVE FORCE…

A: How does increasing the number of loops strengthen the magnitude of the induced ELECTROMOTIVE…

Q: A coil of wire with 10 turns and a radius of 1.5 cm is oriented with the plane of the coil…

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Q: 1) A 200-turns circular loop of radius 22 cm, carries a current of 28 A creates a torque of 250 Nm…

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Q: Next, we place the ring from part a in a time-varying magnetic field given by B = B0 (1 - t/T)…

A: From Faraday law,  Rate of change of magnetic flux = emf Emf = d(ϕ) /dt ∅ = magnetic flux = BA B=…

Q: tin Progress coil with 186 turns, a radius of 5.73 x 10-2 m, and a resistance of 0.459 0 is exposed…

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Q: ON 11 (Start on å m circular coil is placed in a magnetic field such that the field is perpendicular…

A: We know, Faraday's law of induction states that the emf induced by a change in magnetic flux is emf…

Q: Let us considere an infinite long conductor, carrying the current i(t) = 1 /2 cosøt. At distance l,…

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Q: A closely wound 0.20 m × 0.20 m square coil of 100 turns is exposed to an external magnetic field of…

A: Given data: Dimensions of square coil is, 0.20 m×0.20 m. Number of turns is, N=100. Strength of…

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest.…

A: Solution: We know that: emf =dϕdt=change in fluxtime taken

Q: A closely wound 0.20 m × 0.20 m square coil of 100 turns is exposed to an external magnetic field of…

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Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient’s chest.…

A: Given: No. of turns of coil  N = 200 Change in area ∆A=39 cm2 =39×10-4 m2 Magnetic field B=50 μT…

Q: A closely wound 0.20 m × 0.20 m square coil of 100 turns is exposed to an external magnetic field of…

A:

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest.…

A:

Q: A moving coil galvanometer has a coil with 175 turns and area 1 cm2. It uses a torsion band of…

A: Given  No of turns, N = 175  Area of coil, A = 1 cm2   Torsion constant, C = 10-6 N-m/rad…

Q: Ignoring air resistance and the little friction from the plastic tube, the magnet was a…

A: Faraday’s law The magnitude of the emf induced in a circuit is corresponding to the rate of varying…

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as…

A: GivenNumber of turn in coil, N=195 turnIncrase in coil area, A=45 cm2Magnitude of Earth's magnetic…

Q: A 10-turn circular coil of radius 5 cm is dropped vertically into a very long solenoid which has a…

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Q: 9. A flat circular coil with 90 turns, a radius of 4.50 x 10-2 m, and a resistance of 0.300 N is…

A: Write the given values with suitable variables. N=90A=πr2=π4.5×10-22=6.36×10-3 m2R=0.3 ΩΔBΔt=0.779…

Q: A square loop of wire 75.0 mm on a side lies with its plane perpendicular to a uniform magnetic…

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Q: Which of the following rule is used to determine the direction of rotation of the coil of the D.C…

A: The solution is given below

Q: circular loop is made from 50 turns of wire and has a radius of 2.0 cm. This, which starts-out…

A: According to Faraday law  Induced emf is the rate of change of magnetic flux.

Q: 1) A 300-turns circular loop of radius 38 cm, carries a current of 22 A creates a torque of 400 N m…

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Q: 2. A bar magnet shown moves toward a single loop of wire of diameter 3.2 cm. The average induced emf…

A: Given: Diameter of loop, d=3.2 cm Time duration, ∆t = 0.3 s Average induced emf,ε=1.8×10-4 V   To…

Q: A flat, circular coil of radius 10.00 cm consists of exactly 500 turns. A magnetic field is directed…

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Q: Medical devices implanted inside the body are often powered using transcutaneous energy transfer…

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Q: 1) A 375-turns square loop of 34 cm on a side, carrying a current of 22 A creates a torque of 265 N…

A: As per guideline we are suppose to do only 1 question from multiple unrelated questions. So kindly…

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient’s chest.…

A: Given data,  Number of turns of the coil, N = 132 turns Area encircled by the coil increases, the…

Q: A solenoid (made as a long coil) is a type of electromagnet, the purpose of which is to generate a…

A: SOlution: Given that n = 100 L = 5 cm = 0.05m A = 0.3 cm2 = 0.3x10-4 m2

Q: The image below shows a simple version of an alternator which is a system that can produce an emf.…

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Q: A 140-turn circular coil has diameter 5.0 cm . A magnetic field perpendicular to the coil is changing…

A: The figure shows the magnetic field on the axis of a current carrying circular coil.

Q: Imagine a long straight wire and above it is a circular loop of wire. If a current passing through…

A: Imagine a long straight wire and above it is a circular loop of wire. If a current passing through…

Q: A long, straight wire carying a current of 3.33 A moves with a constant speed v to the right. A…

A: magnetic field at a distance x on left side from the wire , B=μ0i2πx The field is coming out of the…

Q: To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as…

A:

Q: why does there is still a non-vanishing potential difference across its terminals when the motor is…

A: A motor converts the electrical energy into mechanical energy. It requires the electrical energy as…