9. A flat circular coil with 90 turns, a radius of 4.20 x 10 2 m, and a resistance of 0.500 2 is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate of AB/At = 0.785 T/s. Find the induced current in the coil.

Q: Physics 3.A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned…

A:

Q: An emf of 17.0 mV is induced in a 461-turn coil when the current is changing at the rate of 10.0…

A: Given, emf induced in the coil, ε = 17.0 mV Number of turns, N = 461  rate of change of current,…

Q: In Figure a stiff wire bent into a semicircle of radius a = 2.0 cm is rotated at constant angular…

A: angular speed= 40 rev/sB=20mTa=2 cmTo find- Frequency & Induced Emf

Q: A constant magnetic field of strength B (in T) goes through a loop at an angle of a degrees to the…

A:

Q: An external magnetic field is parallel to the central axis of a 64.0-turn coil of radius 6.20 cm.…

A:

Q: 6. A conducting rod is sliding at v= 3.0 m/s on metal rails separated by L=2.0 m. The magnetic field…

A: given that,velocity of conducting rod,v=3 msL=2 mmagnetic field, B=0.5 mTBoth B and v are…

Q: 10. A wire has a resistance of 60.0 ohms, and is bent into a square loop with sides of length 15.0…

A: In this question we have to find the induced current in the wire. Please give positive feedback if…

Q: 9. A rectangular loop of wire (length L=13.0 cm) is moving as shown in the drawing with a speed of…

A: Given data The length of the wire is given as L = 13 cm. The speed is given as v = 2.10 m/s. The…

Q: The figure below shows a 120-turn square coil rotating about a vertical axis at at w = 1,590…

A:

Q: 4. A coil with 20 turns of wire is wrapped on a frame with a square cross section 2.50 cm on a side.…

A: The induced emf is equal to the ratio of change in flux with respect to time. ε=Nϕf-ϕit…

Q: A flat loop of wire consisting of a single turn of cross-sectional area 20.0 cm² is perpendicular to…

A:

Q: A conducting rod whose length is € = 27.0 cm is placed on frictionless U-shaped metal rails that is…

A:

Q: A coil with a wire that is wrapped 40 turns around a 0.5 m² hollow tube. A uniform magnetic field is…

A: Number of turns in the coil is N=40. Cross-sectional area of the coil is A=0.5 m2. Initial magnetic…

Q: 2. A rectangular loop (a = 0.15 m, b = 0.46 m) is pulled from a space where there is a uniform…

A: Givena = 0.15 m b = 0.46 mSpeed of loop = v = 4.20 m/s Resistance of the loop = 60 ohmStrength of…

Q: 5. A copper rod is sliding on two conducting rails that make an angle of 17° with respect to each…

A: Let the speed of the rod be v. At t1= 0 s, the rod was at point A. At that instant, the area between…

Q: 1. A wire is wound around a square frame 0.60 m to form a coil with 12 turns. The frame is oriented…

A: The formula for the magnetic flux is: From Faraday’s the formula for the induced emf is:

Q: 9. A flat circular coil with 90 turns, a radius of 4.50 x 10-2 m, and a resistance of 0.300 N is…

A: Write the given values with suitable variables. N=90A=πr2=π4.5×10-22=6.36×10-3 m2R=0.3 ΩΔBΔt=0.779…

Q: 5. A rectangular coil of sides 7.00 cm and 16.0 cm contains 120 loops and its plane is positioned…

A:

Q: 4. A squre coil of wire with 800 turns and size a = 10.0 cm on each side, is held next to a long…

A: Note-Since we only answer up to 3 sub-parts, we will answer the first 3. Please resubmit the…

Q: A 90-turn square coil of side 20.0 cm rotates about a vertical axis at o = 1.74 x 10 rev/min as…

A:

Q: If the current in the solenoid 5 seconds later is 10.0 A, what is the flux through the 15 turn coil…

A: BECAUSE THE SOLENOID IS LONG, WE CAN PRETEND IT IS INFINITE , SO ALL THE MAGNETIC FIELD IS…

Q: Time left 1:15:1 A 40 turn circular coil (radius = 4.0 cm, total resistance %3D 0.20 0) is placed in…

A: Here number of turns ,N= 40  Radius of the coil ,r= 4cm = 4×10-2m   Total resistance, R= 0.2 ohm…

Q: 2. A flat, circular coil has radius 10.0 cm and 200 turns. It is immersed in a uniform magnetic…

A:

Q: 1. The conductive bar m = 45g starts moving from rest, the magnetic field B = 2.8T, the length of…

A: It is given that,The mass of the conducting bar is m=45 g=0.045 kg.The magnetic field strength is…

Q: 5. A copper rod is sliding on two conducting rails that make an angle of 17° with respect to each…

A: Given: The angle between two rails is θ=17∘. The speed of rod is v=0.78 m/s. The magnetic field…

Q: 2. A time-dependent magnetic field is directed perpendicular to a given circular section of a…

A: According  to faraday's law ,changing magnetic flux produces an induced electric field.