A loop of wire sits in an external magnetic field as shown (in other words, the field shown in the picture is NOT a field created by the loop). If the induced current flows out of the top and into the bottom, how is the magnitude of the external field changing?

Q: 3. (25) A rod of m=4 kg rests on two parallel rails that are L0.8 m apart. Then on the current, so…

A: force = 2.4 N using newton's second law of motion F = m a2.4 = 4 * aa = 0.6 m/s2Using equation of…

Q: In the figure below, a steel bar sitting on two parallel metal rails, connected to each other by a…

A:

Q: A circular loop is at rest in a uniform magnetic field B of magnitude 10.8 mT that is directed to…

A: Given that,                   Magnetic field(B) =10.8 mT                   Radius (r) = 30 mm…

Q: The figure below shows a long straight wire just touching a circular loop carrying a current I1 =…

A: (a) Current in the circular loop is in counterclock wise direction. Applying right hand thumb rule,…

Q: The door to my office is 0.88 m wide and 2.39 m high, with an aluminum frame around the very…

A: When the door is open, it faces north. Earth’s magnetic field is also northwards. Hence, angle…

Q: Assume a circular area A is enclosed by a wire loop that is under a constant magnetic field with…

A: The magnetic flux passing through a surface is given by : ϕ=BAcos θ Where B is the magnetic field A…

Q: The copper sheet shown below is partially in a magnetic field. As it is pulled to the right, it…

A: We have to use here Lenz's law.

Q: The magnetic field 40.0 cm away from a long, straight wirecarrying current 2.00 A is 1.00 µT. (a) At…

A: Since, there multiple questions posted by you, we will solve the first question a. To get the…

Q: A straight 3.0m long conducting wire with resistance, R=6.0mΩ, is bent into a single circular loop…

A: Given, Length of conducting wire (l)=3.0m Resistance of wire (R) = 6.0mΩ=0.006Ω Uniform magnetic…

Q: A loop with a resistance of 4.0 Q is pushed to the left at a constant speed of 2.0 m/s by a 24 N…

A:

Q: A neutral metal rod of length 0.25 m slides horizontally at a constant speed of 7 m/s on…

A: Solution: Net force on a mobile electron in the rod  is zero, since it is internal and the speed of…

Q: It shows two concentric current loops with radii a and 2a, where a = 1cm. If the current in loop 1…

A: Concept Magnetic field at the common centre is a combination of magnetic field produced due to the…

Q: A loop with a resistance of 4.0Q is pushed to the left at a constant speed of 2.0 m/s by a 24 N…

A:

Q: X X X X X X X X X X X X X X X X From the starting position shown, a loop of copper wire is pulled to…

A: Since you have asked question with multiple sub-parts in a single request, we would be answering…

Q: A conducting bar of mass m = 18.0 g and resistance R that are frictionless and have no electrical…

A: (2) Given: Mass of conducting bar = 18 g Resistance = 1.89 ohm Angle = 40 degree Distance between…

Q: The figure below shows a long straight wire just touching a circular loop carrying a current 1, =…

A:

Q: A square, single-turn wire loop { = 1.00 cm on a side is placed inside a solenoid that has a…

A:

Q: An aircraft, of wing span 60 m, flies horizontally at a speed of 150 m s^–1. If the vertical…

A: Given, Wing span, l=60 m Speed, v=150 m/s Magnetic field, B=1.0×10−5T Time, t=10 s

Q: A circular conducting loop with radius 5.80 cm is placed in a uniform magnetic field of 0.780 T with…

A:

Q: A small circular loop of area 2.00 cm2 is placed in the plane of, and concentric with, a large…

A:

Q: The figure below shows a long straight wire just touching a circular loop carrying a current I, =…

A: The current in the circular loop is denoted by I1 = 3.14 A in counterclockwise direction. Assume the…

Q: A square coil of wire, with side l = 5.00 cm and total resistance of 100Ω, contains 100 turns and is…

A: Side of the loop is a = 5 cm = 5×10-² m  Magnetic field is B = 1.20 T  Resistance is R = 100 Ω…

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: A researcher would like to perform an experiment in zero magnetic field, which means that the field…

A:

Q: 60° B = 0.40 T Wire is wound on a square frame, 30 cm by 30 cm, to form a coil of 7 turns. The frame…

A: Given data: dimensions of the square frame are,  a= 30 cm = 0.3 m  therefore an area of the square…

Q: In the given figure, a square metal loop of side 4.00 cm and resistance 5.00 2 moves to the right…

A: In this question we are given with square metal loop and we have to plot the graph of the external…

Q: The figure shows a wire segment of length As = 3.5 cm, centered at the origin, carrying current i =…

A: As per guideline, we are suppose to do only first 3 part for multipart question    Given: Length of…

Q: The two parallel wires shown below carry current in opposite directions and are separated by a…

A:

Q: A magnetic field passes through a loop of wire at an angle, as shown. The loop is made of a special…

A:

Q: Two wires, each having a weight per unit length of 1.0 x 10 4 N/m, are strung parallel, one 0.10 m…

A:

Q: In the figure, a rectangular loop of wire with length ? = 2. 2 ??, width ? = 0. 8 ??, and resistance…

A: In this question we are given with a figure, a rectangular loop of wire with length= 2. 2, width= 0.…

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 copper wire, connected in series with a 100-2 resistor, is formed into a rectangular loop whose…

A: Resistance of resistor: R = 100 Ω  length of rectangular loop: l = 2.0 m Breadth of rectangular…

Q: The rectangular loop shown in the figure is pushed into the magnetic field which points inward. X X…

A: Dircetion of induced current

Q: 60° B = 0.40 T Wire is wound on a square frame, 30 cm by 30 cm, to form a coil of 7 turns. The frame…

A: Given data: Area of the frame A = 30 cm x 30 cm                                  = 0.3 m x0.3 m…

Q: A rectangular loop of area A=0.160 m² is placed in a region where the magnetic field is…

A: Given:- Area of the loop A = 0.160 m2 The magnetic field B= 0.384e-t/2 Find:- The induced emf at t =…

Q: Consider a conducting loop placed on a horizontal plane in a region of uniform vertical magnetic…

A: The loop is placed in a horizontal plane. The direction of the magnetic field is in the vertically…

Q: The figure below shows a long straight wire just touching a circular loop carrying a current I, =…

A: The current in the circular loop, I1 = 2.72 A The direction of the current in the loop is clockwise.…