A technician wearing a circular metal band on his wrist moves his hand into a uniform magnetic field of magnitude 2.5 T in a time of 0.18 s. If the diameter of the band is 6.5 cm and the field is at an angle of 45° with the plane of the metal band while the hand is in the field, find the magnitude of the average emf induced in the band.

Q: A conductor is formed into a flat loop that encloses an area of 1.0 m2 The plane of the loop is…

A: Given data: Area enclosed by conducting loop, A= 1.0 m2  Maximum induced emf, ε= 25.0 V The  loop…

Q: A single strand of wire of adjustable length is wound around the circumference of a round balloon…

A:

Q: A coil of radius 10 cm is placed in a region where the magnetic field is perpendicular to the plane…

A: The induced emf is the negative rate of change of magnetic flux associated with the loop. The…

Q: coil consisting of 10 turns of wire each in an area of 0.025 m^2 is rotating in a magnetic field…

A:

Q: A rectangular loop (area =0.15 m2) turns in a uniform magnetic field,B = 0.20 T.When the angle…

A:

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

A: Magnetic field B = 0.411 e-t/2  Area A = 0.160 m2  We need to find induced emf at t = 4.5 s.

Q: A coil with circular cross section and 24 turns is rotating at a rate of 430 rpm between the poles…

A: a)The required radius is,

Q: A coil has 240 turns enclosing an area of 12.2 cm2. In a physics laboratory experiment, the coil is…

A: Given, Number of turns in the coil, N = 240  area of coil,  A = 12.2 cm2 Time interval, t = 0.049 s…

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

A: solution is given by

Q: A flat circular coil with 130 turns, a radius of 4.99 x 10-2 m, and a resistance of 0.544 2 is…

A: Given:No of turns, N = 130Radius of coil, r = 4.99×10-2 mResistance of coil, R = 0.544 ΩRate of…

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

A: Let B1 and B2 denote the initial and the final magnetic field, ϕ1 and ϕ2 denote the initial and the…

Q: A loop antenna of area 2.00 cm2 and resistance 5.30 μΩ is perpendicular to a uniform magnetic field…

A:

Q: An isolated conducting rod of length 8.00 cm is oriented parallelto the x-axis. It moves in the…

A: Given that Length of the rod L = 8 cm Velocity of rod along Y-axis v = 3.9 m/s Magnitude of magnetic…

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

A: Given: Area, A=0.160 m2 Time, t=4.5 s Magnetic field, B=0.448e-t/2 Formula: Induced emf: ε=-dϕdt…

Q: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.061 T.…

A:

Q: A coil has 180 turns enclosing an area of 10.4 cm2cm2 . In a physics laboratory experiment, the coil…

A:

Q: A 45-turn coil has a diameter of 17 cm. Find the magnitude of the emf induced in the coil (in V) if…

A:

Q: A 40-loop circular coil has a radius of 10.0 cm. It is placed in a magnetic field so that the field…

A: The induced emf in a coil in the presence of a magnetic field is given by the lenz law ε=-N∆φ∆t…

Q: A planar coil of wire is placed with its plane perpendicular to a uniform magnetic field of 1.6 T.…

A: Rate at which area changes is  dA/dt = - 0.5 m2/s

Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

A: Given: The strength of the initial magnetic field is zero. The strength of the final magnetic field…

Q: You are designing a generator to have a maximum emf of 8.0 V. If the generator coil has 200 turns…

A: Given : Maximum emf V = 8.0 V             Number of turns N = 200 turns             Cross sectional…

Q: A 135 turn circular coil of radius 2.19 cm is immersed in a uniform magnetic field that is…

A:

Q: What is the EMF induced when the magnetic field changes from 2.3 T to 0.5 T in 10 seconds with a 2 m…

A:

Q: A circular loop of wire of radius 0.25 m is exposed to an external magnetic field that is…

A: dB/dt = - 0.025 T/s  Radius of the loop is r = 0.25 m

Q: A 0.5 m wire is moved AT AN ANGLE OF 250 to a 2.7 T magnetic field at a speed of 8.4 m/s. What emf…

A: Magnetic flux is defined as the product of the magnetic field and the specified area. If the…

Q: A square loop of wire with a side length of 1.35 [m] is in a uniform magnetic field that has an…

A:

Q: A coil of wire with 50 turns lies in the plane of the page and has an initial area of 0.310 m2. The…

A:

Q: When a coil is placed in a magnetic field, the coil's normal to the plane stays parallel to the…

A: Given information: A system of coil, magnetic field are arranged in such a manner that average emf…

Q: A single loop of wire with an area of 0.0850 m2 is in a uniform magnetic field that has an initial…

A: Write the given values with the suitable variables. A=0.085 m2B=3.86 TdBdt=-0.175 T/s Here, A is the…

Q: A circular coil of wire consisting of 200 turns, each with a radius 50 cm, is positioned…

A: Given data: The number of turns is N = 200 The radius is r = 0.5 m The change in magnetic field is…

Q: A single loop of aluminum wire, lying flat in a plane, has an area of 7.80 cm? and a resistance of…

A: Area of the loop,  Resistance,  Initial magnetic field,  Final magnetic field,  Time taken,

Q: You are designing a generator to have a maximum emf of 8.0 V. If the generator coil has 200 turns…

A: Given, Number of turns,N=200 Cross-sectional area,A=0.03 m2 Magnetic field,B=0.03 T Maximum…

Q: When a coil is placed in a magnetic field, the coil's normal to the plane stays parallel to the…

A:

Q: A rectangular loop (area = 1.4 m²) turns in a uniform magnetic field, B = 1.3 T. When the angle…

A: Given Data:- Area of the loop is A=1.4 m2 Magnetic field is B=1.3 T Angle between the magnetic field…

Q: A single loop of steel wire, lying flat in a plane, has an area of 8.20 cm² and a resistance of 2.10…

A: Given: A = 8.20 cm^2 = 8.20*10^-4 m^2 R = 2.10 ohm B0 = 0.500 T B = 3 T t = 1.10 s

Q: A conducting circular loop of wire with radius 0.0300 m and resistance 0.40 Ω sits in a region of…

A: Magnetic flux passing through a loop  is given by  ϕ=∫B→.da→=∫B.da Since magnetic field B and area…

Q: X X X a b V B

A:

Q: In a physics laboratory experiment, a coil with 170 turns enclosing an area of 14 cm2cm2 is rotated…

A:

Q: A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat…

A:

Q: A coil formed by wrapping 50 turns of wire in the shape of a square is positioned in a magnetic…

A: The induced emf in the square coil can be represented as, Here, φ and N represent the magnetic flux…

Q: A circular wire coil with 33 turns and radius 2.34 cm is placed in a uniform magnetic field of…

A:

Q: The conducting rod shown in the figure has length L and is being pulled along horizontal,…

A: Given: The length of rod is L=7.9 m. The speed of the rod is v=4.3 m/s. The magnetic field is B=1.2…

Q: A technician wearing a circular metal band on his wrist moves his hand into a uniform magnetic field…

A:

Q: A flat coil of wire consisting of 15 turns, each with an area of 53 cm², is positioned…

A: