The magnetic flux through a coil with a resistance of 100 changes over time as shown in the figure. Which of the following is the inductance of the coil in Henry at t = 3 second? A) 30 B) 20 C) 50 D) 80 E) 150 600 200 m(t) (Tm²) t(s)
Q: A 113-turn circular coil of radius 3.31 cm and negligible resistance is immersed in a uniform…
A:
Q: Suppose the 50 turn coil in the figure below lies in the plane of the page and originally has an…
A: Given:no of turns, n = 50Initial area, Ai = 0.270 m2Final are, Af = 0 m2Time taken, t = 0.1…
Q: An apnea monitor for adults consists of a flexible coil that wraps around the chest as shown in…
A: Given:magnetic field of earth (B) = 5 * 10-5 Tnumber of turns in the coil (N) = 260the angle between…
Q: A rectangular coil of 100 turns measures 0.08m2. This coil is placed next to an electromagnet which…
A:
Q: Please don't use chat GBT will upvote
A:
Q: A 0.30-m-long metal bar is pulled to the left at constant speed of 20 m/s perpendicular to a…
A: The induced emf is determined by the rate of flux change Emf=dϕdt=ddtBxl=Bldxdt=Blv
Q: The figure below shows a circular conducting loop moving toward a wire carrying a current to the…
A:
Q: 5. The graph below shows the magnetic field strength through a circular loop of radius 15.0 cm as a…
A:
Q: magnetic field. Two loops have the same area, but one is made of plastic and the other copper. In…
A: C) voltage is same in both Reason Faraday's first law of electromagnetic induction- Whenever…
Q: Suppose that a rectangular toroid has 2,000 windings and a self-inductance of 0.060 H. If the height…
A: The energy stored in an inductor is, U=12LI2
Q: The north pole of a magnet is moved toward a copper loop, as shown below. If you are looking at the…
A: We can determine the direction by using Lenz’s law It states that the direction of induced current…
Q: When the N pole of a magnet is moved at velocity v toward the end of solenoid, an emf is induced…
A: Assume the north pole of the magnet is moved into a solenoid, an electromotive force ( emf ) is…
Q: The north pole of a magnet is at a set distance from a copper loop which is rotating as shown below.…
A: According to Lenz’s law, the direction of the induced magnetic field is such that it always opposes…
Q: You have a coil of wire with 14 turns each of 1.5 cm radius. You place the plane of the coil…
A: given data turns = 14 radius = 1.5 cm field = 0.44 t = 2.4 sec magnitude of the average induced…
Q: A flexible loop of wire is the plane of this page. A uniform magnetic field points into this page.…
A:
Q: What direction of the magnetic field causes a counterclockwise direction of induced emf on the…
A: According to Lenz law, The direction of the induced emf that drives current around a wire loop is…
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: Shown in the figure below is a generator being used to power a resistor. The generator consists of a…
A: Step 1:
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: In this problem we are going to design an electric generator by rotating the magnet instead of the…
A: The given question has 5 sub-parts. As per Bartleby policy, we will answer the first 3. Kindly…
Q: An air-core circular solenoid is shown in the figure below. A current of 13.0 A is established in…
A:
Q: The graph below is the graph of magnetic flux versus time. The slope of this graph (Ap/At) indicates…
A:
Q: As the coil of wire in the generator spins, an output potential difference is induced. Explain how…
A: Given that As the coil of wire in the generator spins, an output potential difference is induced. To…
Q: A 135 turn circular coil of radius 2.19 cm is immersed in a uniform magnetic field that is…
A:
Q: Cônsidér thé árrangement shown the figure belów. Assumé R = 4.00 and ? = 1.10 m, and a uniform…
A: Time varying magnetic fields produces a induced EMF which in turn produces current. This EMF depends…
Q: Two coils close to each other have a mutual inductance of 23 mH. The current in one coil decays…
A:
Q: TOUR TEACHER PRACTICE ANOTHER An MRI technician moves his hand from a region of very low magnetic…
A: The magnetic flux in a loop is given by ϕ=B→.A→=BAcosθWhere θ is a angle between B→ and A→ The…
Q: Two 52-turn coils are magnetically coupled so that a 7.12-A current in one coil produces a magnetic…
A:
Q: A flexible loop of wire, which is exposed to a uniform magnetic field, is gradually squeezed so that…
A: Given: Initial value of magnetic flux is 20 Wb. Final value of magnetic flux is 10 Wb. Time taken…
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 4 images
- A circular loop in the plane of the page/screen lies in a 0.65T magnetic field pointing into the page/screen. The loop's diameter changes from 20.0cm to 6.0cm in 0.50s. What is a) The formula you use to solve this problem? b) the direction of the indiuced current? c) the magnitude of the average induced emf? d) the average induced current if the coil resistance is 2.5ohms?a) If the emf of a coil rotating in a magnetic field is zero at t = 0 and increases to its first peak at t = 0.450 ms,what is the angular velocity (in rad/s) of the coil? b) At what time (in ms) will its next maximum occur? (Enter the time the current next reaches its most positive value.) c) What is the period of the output (in ms)? d) When (in s) is the output first one-fourth of its maximum? and e) When (in s) is it next one-fourth of its maximum?The changes of magnetic flux passing through a loop in terms of time in induction are shown in the diagram. Draw the diagram of the driving force of the ring in terms of time in each of the time intervals (0,10s) and (10s,30s) and (30s,40s). (Wb) t (s)
- A long fund rival solenoid with 100 turns per cm has a radius of 1.6 cm. Assume the magnetic field it produces is parallel to its axis and is uniform in its interior. A) what is its inductance per meter of length? B) if the current changes as shown on the graph, what potential difference is induced per meter?What is the induced emf in the below coil if it is moving upward at 4.2 m/s in a uniform magnetic field of magnitude 0.82 T? What if instead, the field decreased as 0.82e-3t T over 0.1 s, now what is the induced emf? Also which way does the ENC go?What is the radius of a tightly wound solenoid of circular cross-section that has 170 tusifa change in its internal magnetic field of 40T/s causes a 70 A current to flow/ The restance of the circuit that contains the solenoid is 150. The only emf source for the circuit is the induced eml. a) 0.22 m b) 0.059 m c) 0.015 m d) 0.79 m