1 A metal rod √r Im long rotates about one of its end perpendicular to a plane whose magnetic induction is 4 × 103 T. Calculate the number of revolution made by the rod per second if the emf induced between the ends of the rod is 16 mV.
Q: The coil in a 60-Hz ac generator has an area of 3.0 x 10^-2m^2 and is rotated in a 0.12 T magnetic…
A:
Q: 1. The current I through a long solenoid with n turns per meter and radius 0.30m is changing with…
A: The number of turns per meter of the solenoid: The radius of the loop: Time: The permeability of the…
Q: 3. A wire is moving on frictionless rails in a uniform magnetic field, as shown to the right. The…
A: We have a wire of length L=5 cm=0.05 m which is moving along a rail experiencing a magnetic field of…
Q: 7. A rod of length, L = 10 cm is forced to move at constant speed v = 5.00 m/s along path parallel…
A: Emf is equal to the work done per unit charge
Q: Two coils are placed close together in a physics lab to demonstrate Faraday’s law of induction. A…
A: If mutual inductance M then current in one coil I will causes the flux ϕ in another coil as ϕ=MI…
Q: In each of two coils the rate of change of the magnetic flux in a single loop is the same. The emf…
A:
Q: A simple ac generator consists of a coil with 10 turns (each turn has an area of 50 cm^2). The coil…
A:
Q: . A segment of wire 5.3 cm long is moving at a velocity of 6.68 m/s toward a parallel (much longer)…
A: Given Data:The length of the wire is The velocity of the wire segment is The current in the wire is…
Q: 36. A solenoid of length 0.75 m has a radius 0.092 m. A current of 25 A flows through its 4 700…
A:
Q: 8. A pair of power transmission lines each have 2.50- resistance and carry 650 Amp. If the primary…
A: R = 22.5 I = 650 A vp = 2.4 kv Step of transformer Vs / Vp = 10/1 Vs = Vp × 10 Vs = 2.4 × 10 =…
Q: The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 2.21 from 10.6…
A:
Q: Below is a Motional EMF problem with a sliding, conducting bar connecting a wire loop within a…
A: Given:- The velocity of the bar V = 25.0 m/s The magnetic field B = 0.640 T The resistance in the…
Q: 2. A 23.0 cm diameter coil consists of 23 turns of cylindrical copper wire 2.60 mm in diameter. A…
A:
Q: A loop of wire with 200 turns and an area of 0.20 m² is placed so the plane of the loop is…
A:
Q: 6. A rod slides along conducting rails which are connected to a resistor (R=2 N). The length of the…
A: a) value of induced emf = 4.35V b) magnitude of induced current = 2.175 A and direction is…
Q: The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s.…
A:
Q: A segment of wire 5.7 cm long is moving at a velocity of 2.89 m/s toward a parallel (much longer)…
A:
Q: The bolt of lightning depicted in the figure passes 200 m from a 90 turn coil oriented as shown. If…
A:
Q: An ac electrical generator is made by turning a flat coil in a uniform constant magnetic field of…
A:
Q: A wire 2 m long moves perpendicular through a 0.08 I field at a speed of 7 m/s. What EMF is induced?…
A: Given that:- The length of the wire is l=2 m Magnetic field, B=0.08 T Speed, v=7 m/s Resistance,…
Q: Faraday's law of magnetic induction states that the voltage induced by a current running through a…
A:
Q: The figure shows a copper rod moving at a velocity of 7 m/s parallel to a long straight wire…
A:
Q: resistor R is connected between two parallel conducting rails separated by 39 cm, as shown in the…
A:
Q: (a) Define self and mutual induction. Give practical examples of both inductions. (b) A circular…
A:
Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A:
Q: 7. An electric power station that operates at 25 kV and uses a 10:1 step-up ideal transformer is…
A:
Q: In each of two coils the rate of change of the magnetic flux in a single loop is the same. The emf…
A: The emf induced in a coil is given by the equation: emf = -N(dΦ/dt) where N is the number of turns…
Q: An ondinary gold wedding ring is tossed end over end into a running MRI machine with a 4.0 T field.…
A:
Q: Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A…
A:
Q: 7. If the current flowing through the wires is given as i(t) = I, sin(@t), find an expression for…
A:
Q: During a 74-ms interval, a change in the current in a primary coil occurs. This change leads to the…
A:
Q: O8 https://www.webassign.net/web/Student/Assignment-Responses/submit?dep-32014984&tags-autosave#Q4 ☆…
A:
Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage…
A: We know that in a transformer:Transformation ratio r=VoutVin=NSNP ≡Voltage outVoltage in=Turns on…
Q: A bicycle generator rotates at 127 rad/s, producing a 15.5 V peak emf. It has a 1.00 by 3.00 cm…
A: Angular speed Generated emf Dimension of the rectangular coil Magnetic field
Step by step
Solved in 2 steps
- A voltage generated by moving a magnet in a coil of wire is called "induced voltage." True O FalseA 140 V emf is across a transformer's 190-turn primary coil. How many turns should the secondary have in order to produce a 40 V emf, expressed as an integer. Can you set up Es/Ep = Ns/Np. I know I am to solve for Ns. I need to see what is given tied to the symbols, then I see what to what better.A conducting rod moves with a constant velocity in a direction perpendicular to a long, straight wire carrying a current I as shown in Figure. Find the magnitude of the emf generated between the ends of the rod.
- The figure shows an LR circuit with L = 0.15 H, R = 25 Ω, and Vo = 36 V. The switch is initially open. Eight milliseconds (t = 8 ms) after the switch is closed, what is the current in the circuit and the potential difference between points a and b, Vab ?A generator has a 460-turn coil that is 10 cm long and 12 cm wide. The coil rotates at 9.0 rotations per second in a 0.10-T magnitude B→ field. A)Determine the generator's peak voltage.Your physics professor is doing a demo to demonstrate Faraday’s law. He usesa 5m long wire of 10 Ohms total resistance, and he shapes it as a perfect square.Your professor places the loop in a plane perpendicular to a 2 Tesla uniformmagnetic field pointing from above into the plane of the loop. Then yourprofessor re-shaped the wire in five seconds from a square into a perfect circle.The new loop remains in the same plane.a. What is the magnitude of the average induced emf in the wire during thistime?b. Find the direction, and average magnitude of the current in the loopduring the deformation? Explain your reasoning.
- Two coils are placed close together in a physics lab to demonstrate Faraday's law of induction. A current of 8.00 A in one is switched off in 2.00 ms, inducing a 3.00 V emf in the other. What is their mutual inductance (in mH)? mH Additional Materials ReadingIn each of two coils the rate of change of the magnetic flux in a single loop is the same. The emf induced in coil 1, which has 245 loops, is 2.51 V. The emf induced in coil 2 is 4.90 V. How many loops does coil 2 have? Number i 480 Units No unitsAt what speed must a sliding rod move to produce an emf of 1.05 V in a 1.54 T field, given the rod's length is 30.3 cm? m/s