A circular wire coil with 33 turns and radius 2.34 cm is placed in a uniform magnetic field of strength 5.04 T, directed perpendicular to the plane of the wire loops. Over a period of 1.34 s, the magnetic field fades away to zero. What is the average induced emf (voltage) in the coil over this period of time?     0.214 V     0.171 V     0.257 V     0.300 V

Q: A 113-turn circular coil of radius 3.31 cm and negligible resistance is immersed in a uniform…

A:

Q: A coil of area A = 0.25 m2 is rotating with angular speed ω = 380 rad/s with the axis of rotation…

A: Part (a) Maximum emf induced in the loop is ε0=NABω

Q: A circular coil that has N = 280 turns and a radius of r = 11.0 cm lies in a magnetic field that has…

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: 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 circular loop of wire with radius 3 m is flat on the xy plane in a magnetic field which is pointed…

A: Given: Initial Radius of loop (R) = 3.0 m. Final radius of loop (r) = 1.5 m. Changing time (dt) =…

Q: A long infinite wire carries a current of 3.0 amps close to a single loop of wire with a radius (r)…

A: Given- Current flowing in the wire , initially I1 = 3.0 A Radius of single wire loop , r = 0.03 cm…

Q: A gold bar with length 50 [cm]50[cm] is placed atop a U-shaped conductor whose width is as long as…

A: Given, length of the gold bar, L = 50 cm magnetic field into the page, B = 5 T induced emf developed…

Q: A coil of wire consists of 65.0 turns and has an area of 7.9 m2. The magnetic field through the…

A: The given values are, N=65.0A=7.9 m2∆B=12.9 T-4.2 T=8.7 T∆t=0.15 s

Q: A coil with 20 turns of wire is wrapped on a frame with a square cross section 2.00 cm on a side.…

A:

Q: A circular coil of wire with 450 turns and a radius of 8.5 cm is placed horizontally on a table. A…

A: Given, N=450 turns R= 8.5 cm =8.5x10-2 m B(t) = 0.03 ×t 2. T/s2 uniform magnetic field pointing…

Q: A circular coil of 50 turns and radius 8.0 cm is placed with its plain oriented at 90ﾟ to a magnetic…

A: Given data: Number of turns in the coil, N=50 The radius of the coil, r=8.0 cm=0.08 m The angle of…

Q: A coil consists of 80 turns of wire. Each turn is a square of side d = 40 cm, and a uniform magnetic…

A:

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

A:

Q: A constant magnetic field passes through a single rectangular loop whose dimensions are 0.33 m x…

A:

Q: A circular coil of 20 turns and radius 5 cms is placed with its plane oriented at 90° to a magnetic…

A:

Q: A ten-loop coil having a radius of 5.87 cm and a resistance of 48.9 Ω is in a 0.083 T uniform…

A: The expression for the induced emf is given by -  ε=N∆ϕB∆t .....(1) Where,…

Q: A constant magnetic field passes through a single rectangular loop whose dimensions are 0.26 m x…

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 163-turn circular coil of radius 3.03 cm and negligible resistance is immersed in a uniform…

A: According to Faraday's law of electromagnetic induction, rate of change of flux linkages is equal to…

Q: A coil with 200 turns of wire is wrapped on an 18.0 cm square frame. Each turn has the same area,…

A: Given. Magnetic field change from 0 to 0.5 T in 0.8 sec. Resistance is 2 ohm. N = 200 L = 18 cm

Q: The coil of wire containing 1 loop with a radius of 6 cm. is in a 1.8 T magnetic field. The plane of…

A:

Q: A 43 turn rectangular coil of area 5.0 X 10-3 m2 is allowed to fall from a position where B = 0 to a…

A:

Q: square, single-turn coil 0.27 m on a side is placed with its plane perpendicular to a constant…

A: square, single-turn coil 0.27 m on a side is placed with its plane perpendicular to a constant…

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 70-turn coil has a diameter of 14 cm. Find the magnitude of the emf induced in the coil (in V) if…

A: Explanation The magnitude of the induced emf can be determined by Faraday's law of electro-magnetic…

Q: A circular coil of radius 0.130 m contains a single turn and is located in a constant magnetic field…

A: (a) The magnitude of the emf induced in the coil is EMF=N∆ΦB∆t=N∆BAcosθ∆t…

Q: A coil consists of 200 turns of wire having a total resistance of 2.0 Ω. Each turn is a square of…

A: Given : n=200              R=2Ω             a=20×10-2m             Bi=0T             Bf=0.5T…

Q: A 29-turn circular coil of radius 4.60 cm and resistance 1.00 Ω is placed in a magnetic field…

A: Given number of turns = 29 radius of coil = 4.60 cm resistance of coil = 1.00 ohm strength of…

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: What is the maximum value of the emf produced when the coil is spun at 1000 rev/min about an axis…

A:

Q: A circular coil with 455 turns of wire has radius 5.00 cm and resistance 14.5 Ω. The area vector of…

A: (a)The equation for the induced emf is given by,

Q: A 20-turn circular coil of radius 3.20 cm and resistance 1.00 2 is placed in a magnetic field…

A: Given that,                           Number of turns, N = 20                    Radius of circular…

Q: A square coil, enclosing an area with sides 8.32 cm long, is wrapped with 5666 turns of wire.  A…

A: The average voltage induced can mathematically be given by, Vavg=-NAdBdt dBdt is the rate of change…

Q: A ten-loop coil having an area of 0.23 m² and a very large resistance is in a 0.047-T uniform…

A:

Q: A ten-loop coil having an area of 0.23 m^2 and a very large resistance is in a 0.047 T uniform…

A: Given Data: Turn count, N=10 Coil area, A=0.23 m2 Magnetic field (M.F.), B=0.047 T Coil rotation…

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

A:

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

A:

Q: A 181-turn circular coil of radius 2.85 cm and negligible resistance is immersed in a uniform…

A:

Q: a square conductor loop in a uniform magnetic field B, that decreases with time as follows: B =…

A:

Q: An external magnetic field is parallel to the central axis of a 58.0-turn coil of radius 6.70 cm.…

A:

Q: A coil of wire is made of 520 turns and has an area of 0.30 m². It is placed in a uniform magnetic…

A: Given: The number of turns is 520. The area of the coil is 0.3 m2. The strength of the magnetic…

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

A:

Q: A fixed 13.3-cmcm-diameter wire coil is perpendicular to a magnetic field 0.59 TT pointing up. In…

A:

Q: Consider a 12-loop coil with a diameter of 8 cm; a north-leading bar magnet moves further away from…

A: Given  No of loops, N = 12  Diameter, D = 8 cm  The magnetic field changes from  0.065 T to 0.00065…

Q: A circular coil of radius 0.140 m contains a single turn and is located in a constant magnetic field…

A:

Q: A coil with radius 4.00 cm contains 500 turns, and is placed in a uniform magnetic field that varies…

A: According to the faraday's law of electro magnetic induction  The rate of change of magnetic flux is…