I decreasing
Q: (a) (b) (c) (d) B increasing B decreasing (e)
A:
Q: If the tension in the spring becomes 0 when i = 2A current passes through L= 100 cm long m mass AC…
A: Given data: magnitude of current, I = 2 A Length of bar, L = 100 cm = 1 m
Q: Explain why the singing of the plates stop after a certain period of time using the concept of Lenz…
A:
Q: You place a circular wire on a table and apply a B-field pointing straight upward out of the table.…
A: Given Increasing magnetic field B upward and outward from the table through a wire. required…
Q: Check all that apply. The strength of a solenoid's magnetic field increases with increasing.. Number…
A:
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: What is the direction of the induced current? AA B (outward) vat O A. clockwise O B.…
A:
Q: A loose spiral spring is hung from the ceiling and a large current is sent through it. Describe how…
A: It is given that a loose spring is hanging to a wall. When current is passes through it each coil of…
Q: В
A: Electromagnetic induction
Q: Describe the shape of the magnetic field around a solenoid.
A: Solenoid is formed when a long wire is closely wound in the form of a helix. Now, when current is…
Q: What is the direction of induced current in the loop shown in the sketch? dots represent constant…
A: Dots represent magnetic field lines coming out of the paper Radius also increasing this means flux…
Q: When the magnetic field changes in a coil of wire, voltage in each loop of the coil is induced. Will…
A: Given: induced voltage
Q: A long straight wire carries constant current I toward the top of the page. A square conducting loop…
A:
Q: A wire loop is being pulled away from a current carrying wire. What is the direction of the induced…
A:
Q: A circuit is pulled with constant speed toward the right out of a uniform magnetic field that is…
A:
Q: When the current in the straight wire is increasing in time the induced current in the ring is…
A: The induced current is the current that is induced in a conducting loop that is exposed to a…
Q: #7. The current I in the wire is decreasing. What is the direction of the induced current in the…
A:
Q: What is the direction of the induced current if the field B suddenly decreases as the loop is moved…
A: Required Direction of induced current.
Q: Two concentric loops are shown in the figure below. If the current in the big loop is constant, the…
A: According to the Faraday's laws of electromagnetics eqation the change in current in circuit…
Q: Magnetic field is parallel to the plane of a current coil, then torque will be maximum Select one: O…
A: Given data: Magnetic field is parallel to the plane of the current coil Required: The torque will…
Q: Draw two diagrams showing the direction of current induced in a coil both when a magnet moves toward…
A: Lenz's Law:- Faraday's law and Lenz's law are the two fundamental laws that regulate…
Q: Using the figure below, suppose the moving rod is 150 cm long, the velocity v is 3.5 m/s, the total…
A: Given Length, L = 150 cm = 1.50 m Velocity, V = 3.5 m/s Resistance, R = 0.045 ohm Magnetic…
Q: Consider a circular loop that is threaded by a magnetic field that points into the page. The…
A: Given, For the circular loop, the magnetic field pointing into the page. Therefore, using the…
Q: A circular conducting loop with radius 5.80 cm is placed in a uniform magnetic field of 0.780 T with…
A:
Q: In the figure below, a solenoid is moved toward a bar magnet. The current induced through the…
A:
Q: A circuit is composed of a coll having N turns and area A. Its leads are connected to a combination…
A: Solution B3; Let's calculate the equivalent resistance of the circuit. The first two resistances…
Q: A 29 cm circumference loop of wire has a resistance of 0 19 2 The loop is placed between the poles…
A: The induced emf is given by e = AdBdt where, A is the area and dB/dt is the rate of change of…
Q: A loop of wire in the shape of a circle has a magnetic field directed perpendicular to the plane of…
A: Magnetic flux : ϕ=∫B.dA According to Faraday's law: E=-dϕdt
Q: A magnet moves away from a horizontal loop of wire as shown. This causes a clockwise current to be…
A: In the given case we are goin to use the concepts of Faraday and Lenz's law, which describes the…
Q: Figure shows two coils with iron cores inside the solenoid. Select TRUE statement just after the…
A: Electromagnetic induction
Q: The magnetic field through a loop of area m2 and of resistance 10 Q. changes with time as shown in…
A: Given values:- Area,(A)=1 m2 ---(1) Resistance,(R)=10-ohm ----(2) Time,(t)=1 sec ----(3) First, we…
Q: Given the movement of the magnet relative to the wire loop, what will be * 1 point the direction of…
A:
Q: Which one of these is not needed while determining the direction of the induced current in a wire…
A:
Q: For a solenoid in vacuum of length L=10 cm with 104 turns per meter calculate the value of the…
A: Given The length of the solenoid is L=10 cm=10×10-2 m. The number of turns is N=104 turns/m. The…
Q: О N The figure below (from the textbook) shows a bar magnet being held just above a loop of wire.…
A: Step 1: Step 2:
Q: If the north pole moves toward the loop, in what direction is the induced current (as seen from…
A:
Q: QUESTION 2 The magnetic flux through a loop of wire is Phi = 3t - t with all quantities in SI units.…
A:
Q: Current Attempt in Progress A permanent magnet is moved toward and away from a solenoid with a…
A: According to Faraday's law of electromagnetic induction, the emf induced in a circuit is directly…
Q: A magnet is oriented next to a coil as shown in the figure below. The coil is moving in the…
A: Lenz's law will give us the direction of the induced magnetic field.
Q: A conductive loop exists in the plane of the page. A magnetic field directed out of the page begins…
A: The Lenz’s law is defined as the polarity of induced emf is such that it tends to produce a current…
Q: A 29 cm circunference loop of wire has a resistance of 0 19 $2 The loop is placed between the poles…
A: Circumference of loop 2πr = 29 cm Therefore, radius of loop r = 29 cm / ( 2 * 3.14 ) = 4.618 cm =…
Q: Consider a circular loop that is threaded by a magnetic field that points into the page. The…
A: Initially the magnetic flux through the coil is into the plane, but it is mentioned that magnetic…
Two loop of wire are moving in the vicinity of a very long straight wire carrying a current mark the direction of the induced current in each loop.
Step by step
Solved in 2 steps with 2 images