a metal bar sliding at 1.5 cm/s over a U-shaped metal rail. At t=0, the external magnetic field is 0.2 T out of the page, and is increasing at the rate of 0.1 T/s. Take l = 5.0 cm, and at t=0, x = 5.0 cm. Find the induced emf.

Q: A 21.7 turn conductive loop encloses an area of 0.44m2. At what constant rate should the magnetic…

A: we know that emf e=NadB/dt

Q: An MRI technician moves her hand from a region of very low magnetic field strength (B=0) into an MRI…

A:

Q: A circular loop of radius R=10.0cm is coaxial with a solenoid (r=0.0500m, ℓ=1.00m and 750 turns), as…

A: Given, Radius of the circular loop, R=10.0 cm Radius of the solenoid, r=0.05 m Length of the…

Q: A closely wound rectangular coil of 100 turns has a dimension of 12.0cm x 25.0cm. In time t=0.0800 s…

A: Given, Number of turns of rectngular coil, N = 100dimension, 12.0 cm ×25.0 cmtime, t = 0.080 sit…

Q: A wire loop of radius 15 cm and resistance 130 is located in a uniform magnetic field that changes…

A: Electromagnetic induction.

Q: A rectangular loop of wire with sides 1 cm and 2 cm is placed inside an extremely long solenoid of…

A:

Q: After being closed for a long time, the switch S in the circuit shown in the figure below is thrown…

A: a)Current flowing through the inductor just before the switch is opened:I = E/Ra = 24/(4400)=…

Q: A circular copper ring, A = 0.1 m2 shown below, with 10 loops is positioned in a (Bi) 0.300 T…

A: Magnetic flux is defined in a similar way as that to electric flux and is given by the dot product…

Q: A long solenoid has n = 420 turns per meter and carries a current given by I = 33.0(1 - e-1.60t ),…

A: Given information: The number of turns in the solenoid, n=420 The current through the solenoid,…

Q: In the diagram below, a rectangular 40 loop coil of width w=10 cm and length l= 14 cm begins in a…

A: Given number of loops=40 Width(w)=10 cm Length (l)=14 cm Magnetic field=1.3 T Time period=3 s…

Q: The magniotude of the emf induced in an inductor is 1.5V when the current in the inductor is…

A:

Q: A 490-turn solenoid, 30 cm long, has a diameter of 3.5 cm. A 15-turn coil is wound tightly around…

A: Initially, the current in the solenoid is zero. Therefore, the initial magnetic field will be zero.…

Q: Consider the circuit shown below. The circuit contains an inductor, 10.0 mH, a 60.0 V battery…

A:

Q: A small solenoid with a radius of 12 cm and 100 turns is placed inside a long solenoid (n = 550…

A: Radius, r = 12 cm = 0.12 m Turns, N = 100 Turns per length, n = 550 turns/cm = 55000 turns/m didt =…

Q: conducting rod with length of 20cm is pulled along the a rotated U-shaped (see the figure)…

A:

Q: In Figure (a), the inductor has 29 turns and the ideal battery has an emf of 42 V. Figure (b) gives…

A: Given Data, Total Number of turns (N)=29 Ideal battery emf (V)=42 V Magnetic flux in the vertical…

Q: A small rectangular loop of wire is located close to a long straight wire initially carrying a…

A: Given current, I=114 ATime interval, t=1137sDistance of seperation ,d=10 cmLength aand breadth of…

Q: When the current through an inductor is decreasing at a constant rate of 0.5A/s, the magnitude of…

A:

Q: The figure below shows a circular conducting loop in the presence of an outward non-uniform magnetic…

A: Given: The magnetic field is 0.0006t3. The radius of the coil is 4.8 m. The resistance of the coil…

Q: 3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 30 V, R=10 N, and the time…

A: Value of resistance= 10 ohms Time constant= 1 sec Applied voltage, = 30 v

Q: A coil of 15 turns and a radius of (R=10.0) cm surrounds a long solenoid of radius 2.00 cm and 1012…

A: Given: Number of turns of large coil Number of turns per meter of Solenoid Radius of large coil…

Q: A coil with loops of area 0.0120 m^2 rotates at 60.0 Hz through a B field of 0.125 T. How many loops…

A:

Q: A 750-turn solenoid, 26 cm long, has a diameter of 2.5 cm. A 16-turn coil is wound tightly around…

A:

Q: A wire loop of radius 13 cm and resistance 11 Ω is located in a uniform magnetic field that changes…

A: ε=dϕdt=B2-B1πR2t2-t1=0.5 T-0 Tπ0.13 m22.0 s-0 s=0.013 V

Q: For the wire arrangement in the figure, a = 16.9 cm and b = 24.7 cm. The current in the long…

A:

Q: The magnetic field through a single loop of wire, 12 cm in radius and of 8.5 ohms resistance changes…

A: Emf = The rate of change of magnetic flux  Emf = d∅ / dt  Where ϕ = magnetic flux = BA B = magnetic…

Q: Question #9. Find the induced emf in the wire at time t=0 ? At t=0 magnetic field B = 2T B…

A: Initial magnetic field = 2 T  Diameter = 10 cm Radius = 5 cm

Q: The flexible loop in the figure below has a radius of 12 cm and is in a magnetic field of strength…

A:

Q: A long solenoid (cross-sectional area = 0.98 x 106 m², number of turns per unit length=2789 turns/m)…

A:

Q: The flexible loop in the figure below has a radius of 13 cm and is in a magnetic field of strength…

A:

Q: A coil of wire has an area of 0.02m2 and consists of 50 turns. At t = 0 the coil is orientated so…

A: Given: Area of coil A=0.02 m2, Number of turns N=50, Magnetic field B=0.18 T, Time dt=0.10 s,…

Q: A solenoid of lenght 40 cm has 360 turns of radius 2.8 cm. A tightly wound coil with 8 turns of…

A:

Q: A long solenoid has n = 420 turns per meter and carries a current given by I = 33.0(1 - e-1.60t ),…

A: Determine the magnetic field in the solenoid as follows. B=μ0nI=4π×10-7…

Q: = The magnetic flux through the loop increases according to the relation B 6.0t² + 7.0t as show in…

A: Given : Magnetic flux = 6 t2 + 7t  Find : magnitude of induced emf at t= 2 s

Q: A 65 turn, 10.0 cm diameter coil rotates at an angular velocity of 8.00 rad/s in a 1.40 T field,…

A: Answer:-  Given  Magnetic field (B) = 1.40 T  Diameter (d) = 10 cm  Radius (r) = 10/2 = 5 cm = 0.05…

Q: A small rectangular loop of wire is located close to a long straight wire initially carrying a…

A: Given, Current flowing in the wire is i=104A   From the figure, A rectangular loop is situated at a…

Q: The flexible loop in the figure below has a radius of 10 cm and is in a magnetic field of strength…

A: Radius, R = 10 cm = 0.1 mField, B = 0.18 TTime, ∆t = 0.17 sMagnitude of average induced emf, |ε| = ?…

Q: After being closed for a long time, the switch S in the circuit shown in the figure below is thrown…

A:

Q: tightly wound circular coil has 50 turns, each of radius 0.10 m. A uniform magnetic field is turned…

A:

Q: X ス メx ×

A:

Q: A long solenoid (cross-sectional area = 1.5 x 106 m², number of turns per unit length = 3587…

A: The cross-section area of the solenoid: The number of turns per unit length: The radius of the…