As the magnet shown moves from location a towards the loop, what is the direction of the induced current in the loop as seen by the eye? (the arrows represent the motion of the magnet which is flying through the middle of the loop).

Q: Consider the configuration below. In order to generate the induced current, I, the magnet must be…

A: As we know,  According to Faraday's law-  Change in magnetic flux will produce a current in the coil…

Q: The figure below shows a rectangular coil of length e and width w consisting of N turns of…

A: Part (a) The magnitude of emf induced in the coil is, ε=Ndϕdtε=NdBAdtε=NdBwldtε=NBwdldtε=NBwv Here,…

Q: down, so it falls through a horizontal loop of wire. As it approaches the loop, what is the induced…

A: According to Lenz's law Induced emf is always opposes the cause by which it is produced

Q: In the drawing below a wire is looped as shown -- note that the wire crosses over top of itself with…

A: Given data: Resistance R = 4 ohms side of upper loop lU =16 cm side of lower loop ll=lU2 Magnetic…

Q: In the figure, a steady current is flowing through a very long straight wire. A square loop of wire…

A: By doing steps mentioned in (a), (b), and (d) current is induced in square loop.

Q: A stationary loop of wire is held in place in an external magnetic field that is constant in time, a…

A:

Q: In the figure above, a steady current is flowing through a very long straight wire. A square loop of…

A: The emf will induced when there will be a change of flux through the loop.

Q: The south pole of a bar magnet is moved toward the center of the loop of copper wire shown above. 8…

A:

Q: Consider a metal rod sliding over two horizontal metal bars as shown on the picture. The whole setup…

A: Required : The direction of the induced current.

Q: In the setup below, the resistance and the length of the rod are 3.82 Q and 0.231 m, respectively,…

A: Given data: Resistance is R=3.82 ohm Length is L=0.231 m Dissipated power is P=1.1 W Magnetic field…

Q: A single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved…

A: The expression for magnetic flux is, φ=BA                 (I)             B=magnetic field,A=area of…

Q: A metal bar of length 1.0m, mass 25kg, and resistance 4.0Ω is free to slide on metal rails of…

A: When terminal speed is achieved, net force on moving rod is zero. i.e Fnet=0     FB=mg

Q: A circular loop of wire is placed on the axis of a solenoid with a steady current supplied by a…

A:

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: The figure shows a rod of length L that is forced to move at constant speed v along horizontal…

A:

Q: In the figure shown the induced current on the square loop is in clockwise direction. The magnetic…

A: Field is decreasing.

Q: If you move the coil in the figure below out of the region of the uniform external magnetic field…

A: Initially the magnetic flux is pointing into the plane of coil. the motion of coil = towards the…

Q: According to Lentz's law, if a conductor whose position is horizontal (and its orientation is…

A: Given: A conductor whose position is horizontal (oriented in North- South) is moved from east to…

Q: The figure shows a rod of length L that is forced to move at constant speed v along horizontal…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: The figure below shows a rectangular coil of length e and width w consisting of N turns of…

A:

Q: Two solenoids are close to each other as shown in the figure, with the switch S open. When the…

A: Initially, current in right solenoid is zero. As switch is closed, a current starts flowing in the…

Q: A rectangular loop moves toward the right at constant velocity as shown in the figure. Along its…

A: Given Uniform magnetic field = Bin = constant Velocity of rectangular loop = V = constant   We have…

Q: The following two loops lie in the plane of the page.  Indicate the direction of the induced current…

A: The direction of current in right loop = clockwise  Direction of motion of left loop = rightwards…

Q: We have seen that a long solenoid produces a uniform magnetic field directed along the axis of a…

A: Consider the figure below.

Q: How would you position a flat loop of wire in a changing magnetic field so that there is no induced…

A: The formula to find the induced emf in the loop is  ε=-NddtB.A=-NddtBAcosθN is the number of loops B…

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: Three rectangular loops move near a long straight wire carrying a constant current, as shown below.…

A: Answer  Correct option is e) B and C

Q: A closed loop is placed in a time varying magnetic field as shown in the figure in such a way that…

A: As seen in the image, a closed loop is positioned in a magnetic field that changes in strength over…

Q: A loop of wire sits in an external magnetic field as shown (in other words, the field shown in the…

A: SOlution: given that A loop of wire sits in an external magnetic field a. If the induced current…

Q: Suppose the moving rod shown in the figure below is 0.10 m long, the velocity v is 2.5 m/s, the…

A: Given L=0.1m B=0.6T v=2.5 m/s R=0.03 ohm

Q: Answer True or False. 1. In a system where one magnet is moving away and toward a solenoid, the emf…

A: Faraday's electromagnetic induction explains the generation of induced current in a coil when the…

Q: There is a straight, infinite current is directed towards the right and a small loop of wire (with…

A: There will be no induce current when there is no induce emf linked up with coil. That is when there…

Q: Three loops of wire move near a long straight wire carrying a current as in the given figure. What…

A:

Q: loop of wire sits in an external magnetic field as shown (in other words, the field shown in the…

A: By lenz law ,we know induced current produce a field so as to oppose the change in the external…

Q: A coil is pulled at a constant speed across a uniform magnetic field B as shown in Figure 2.…

A:

Q: Consider a 12-loop coil with a diameter of 8 cm; a north-leading bar magnet moves further away from…

A:

Q: The magnetic field of the Figure below decreases from 1 T to 0.4 T in 1.2 s. A 6 cm diameter…

A: Given that Initial magnetic field B1 = 1 T Final magnetic field B2 = 0.4 T Time interval ∆t = 1.2 s…

Q: As shown on the left, a 1.0 kn resistor completes a rectangular loop of a single wire. The loop has…

A:

Q: The south pole of a bar magnet is moved toward the center of the loop of copper wire shown above. O…

A: To conclude the situation step by step as a south pole of a bar magnet moves towards a loop.

Q: A long piece of wire is bent into a rectangular loop and placed on a table top in the horizontal…

A: Given:- d = 2.50 cm a = 17.4 A b = 1.78 A/s2 ℓ = 0.500 m w = 0.250 m To find:- E= Emf induced at…

Q: O O, O O O O O O O 4. In the figure to the right, the rod moves with a speed of 1.8 m/s, is 24 cm…

A: Data the velocity of the rod, V=1.8m/s length of the rod, L=24cm=24×10-2m magnetic field ,B=0.35T…

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.