(i) Calculate the magnetic flux through the coil. (ii) Find the magnitude of the emf induced in the coil if the magnetic field is reduced uniformly to zero in 60 s

Q: A solenoid of length 8 x 10²m and cross sectional area 5 x 10-5 m²2 contains 6500 turns per meter…

A: Length , l = 8 x 10-2 m Area , A = 5 x 10-5 m2  number of turns , n = 6500  To find = self…

Q: A generator rotates at 90 Hz in a magnetic field of 0.1T. It has 1200 turns and produce a rms…

A:

Q: (II) A coil has 2.25 Ω resistance and 112-mH inductance.If the current is 3.00 A and is increasing…

A: The expression for find potential difference across the coil is ∆V=IR+L∆I∆t

Q: A solenoid with a turn density of 300 turns/m, and radius, r = 18.0 cm, is oriented perpendicular to…

A: Turn density of solenoid, n=300 turn/mRadius, r=18.0 cm=0.18 mLengh of side of square loop, a=15…

Q: ) Derive an expression for the induced emf developed when a coil of N turns, and area of…

A: The induced emf produced by a coil of N turns rotating at a constant angular speed in a uniform…

Q: (II) When a car drives through the Earth’s magnetic field,an emf is induced in its vertical…

A: The expression for emf is, ε=Bvlcosθ

Q: A coil with 190 turns, a radius of 5.0 cm, and a resistance of 12 N surrounds a solenoid with 230…

A: Let the total number of turns in the coil be N, the radius of the coil be r, the resistance of the…

Q: (II) A circular loop in the plane of the paper lies in a0.65-T magnetic field pointing into the…

A: magnetic field, B = 0.65 T  diameter changes from20 cm to 6 cm in 0.5 s  Resistance, R = 2.5 Ω

Q: 4) A long solenoid has n=1000 turns per meter and a current I = 5 sin(wt). Inside the solenoid with…

A: Given: n = 1000 turns per meter; I = 5 sin(wt) a = 0.5 m; b= 0.2 m; Nc = 300 turns; t = 2s;  R = 2…

Q: (I) How many turns of wire would be required to make a130-mH inductor out of a 30.0-cm-long…

A: Self inductance, L = 130 mH = 0.13 H  length, l = 30 cm = 0.3 m diameter, d = 5.8 cm

Q: 11 A rectangular coil of N turns and of length a and width b is rotated at frequency f in a uniform…

A: We know that: Magnetic flux for B turns is given by:

Q: 21) A current of 17.0 A is directed to the east and perpendicular to a magnetic field. A per unit…

A: The magentic  force on current  carrying wire is given by     F = I×L×B  where B =  magnitude of…

Q: How much current would have to pass through a 10.0 mH inductor s would be enough to bring…

A: Hi please find solution to your problem  Formula used  E = 1/2 *L*I^2

Q: A coil of wire 8 cm in diameter has 50 turns and is placed in a B field of 1.8 T. If the B field is…

A: ε=N∆ϕ∆t=NA∆B∆t=Nπd2B1-B24∆t=Nπd2B1-B24∆t=503.148 cm1 m100 cm21.8 T-0.6 T40.002 s=151 V

Q: 11. Determine if the situations below will produce a change in the magnetic flux and if so, give the…

A: number of loops = 7 Area of each loop = 0.55 m2magnetic field strength = 0.60 T time = 0.10 seconds…

Q: A coil with 651 turns of wire and a cross sectional area of 0.00560 m2 is rotated about its diameter…

A: Angular velocity (w) = 2720 RPM  W = 2720×2π/60 rad/s  W = 284.69 rad/s

Q: 1. (I) The magnetic flux through a coil of wire containing two loops changes at a constant rate from…

A: Write the given values with the suitable variables. ϕ1=-58 Wbϕ2=+38 WbΔt=0.34 sN=2 Here, ϕ1, ϕ2, Δt,…