Example 9: A loop consisting of eleven turns of wire, each of which encloses 2450 cm2, is oriented perpendicularly to a magnetic field that increases uniformly in magnitude from 14 x 10-3 T to 38 x 10-3T in a time of 8.0 x 10-3 s. What is the resulting induced current in the coil if the resistance of the coil is 5.0 0?
Q: Chapter 23: Question 5: An MRI technician moves his hand from a region of very low magnetic field…
A: Step 1:Step 2:Step 3:Step 4:
Q: Physics 3.A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned…
A:
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: An external magnetic field is parallel to the central axis of a 56.0-turn coil of radius 6.60 cm.…
A: Number of turns (N) = 56 Radius (r) = 6.60 cm = 0.066 m Time (t) = 149 ms = 0.149 seconds Initial…
Q: An external magnetic field is parallel to the central axis of a 64.0-turn coil of radius 6.20 cm.…
A:
Q: Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: Given :-N = 50 turnB = 1.5 TA = 0.175 m2∆t = 0.275 s
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: A circular loop of wire with radius r= 10 cm and resistance R= 2.0 Ωlies in the xyplane. The loop is…
A: a. Using Faraday's law, emf induced is,…
Q: A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of…
A: magnetic field = B = 1.6 Tarea = A = 0.16 m2number of turns = N = 220Resistance = R = 16 Ohms
Q: Problem A. A single turn coil of radius 7.00 cm is held in a vertical plane and a magnet is rapidly…
A:
Q: A 5-turn square loop 10 cm along a side, resistance = 4.0 ohm is placed in a magnetic field that…
A: Given Number of turns N = 5 Area a = 10 cm = 0.1 m Resistance R = 4…
Q: single loop of steel wire, lying flat in a plane, has an area of 8.20 cm² and a resistance of 1.50…
A: Area of the loop ResistanceInitial magnetic FieldFinal magnetic fieldTime interval
Q: A rectangular coil 0.055m by 0.085m is positioned so that its cross-sectional area is perpendicular…
A:
Q: 4. Three copper frames are dragged through an external magnetic field in the direction s shown. The…
A:
Q: The figure below shows a 102-turn square coil rotating about a vertical axis at at w = 1,280…
A: The number of turns N = 102The angular frequency ω = 1200 rev/min or f = 20 rev/s = 20HzThe length…
Q: The figure below shows a 120-turn square coil rotating about a vertical axis at at w = 1,590…
A:
Q: A student winds a coil of area 35 cm2 with 34 turns. They place it horizontally in a vertical…
A:
Q: A coil with a radius of 4.00 cm and 500 turns is placed in a uniform magnetic field that varies with…
A:
Q: 3. A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross- sectional area…
A:
Q: The figure below shows a 114-turn square coil rotating about a vertical axis at at w = 1,210…
A: Ans a: 11.5 mvAns b: the plane of the coil is parallel to the magnetic field.Explanation:
Q: A single loop of steel wire, lying flat in a plane, has an area of 7.20 cm² and a resistance of 2.10…
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: The magnetic flux through a coil of wire changes from 9T m- to zero in a time of 0.50 s. What is the…
A: 18 V
Q: Now we know about Faraday's Law, so we will work through a problem using it. B A coil has 28 turns…
A:
Q: A flat loop of wire consisting of a single turn of cross-sectional area 8.70 cm² is perpendicular to…
A: NO OF TURNS(N)=1 area of cross section(A)=8.70 cm2=8.70 x10-4 m2 initial magnetic field(B1)=0.500T…
Q: An elastic conducting material is stretched into a circular loop of 12.6 cm radius. It is placed…
A: Radius of the circular loop Magnetic Field Instantaneous rate of shrinking
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: A square loop made of a metal wire is placed on the page. The length of both sides of the square…
A: Initial side length (s0): 4.0 cm = 0.04mFinal side length(sf): 3.0 cm = 0.03mChange in time (t): 25…
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: Question 4: A 1000-turn coil of wire 1.0 cm in diameter is in a magnetic field that increases from…
A:
Q: A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area of…
A: Answer:- Given Magnetic field (B) = 1.60 T Area(A) = 0.270 m2 Number of turns of the coil(N) =…
Q: A flexible circular loop 6.40 cm in diameter lies in a magnetic field with a magnitude of 1.28 T,…
A: Magnetic field B = 1.28 T Circular loop diameter D = 6.40 cm = 0.064 m Final area of the loop Af = 0…
Step by step
Solved in 3 steps with 5 images
- A circular loop in the plane of a paper lies in a 0.65 T magnetic field pointing into the paper. The loop's diameter changes from 19.5 cm to 5.4 cm in 0.55 s. 1) What is the direction of the induced current? 2) What is the magnitude of the average induced emf? 3) What is the average induced current if the coil resistance is 4.7 Ω ?A 40-loop circular coil has a radius of 5.0 cm. It is placed in a magnetic field so that the field lines from a permanent magnet (B) make 60o angle with the plane-area of the coil. If the magnet is brought toward the loop so its magnetic field varies from 0.1 T to 0.35 T in 2 microsecond, the induced magnetic field is Group of answer choices 3.40 x 1011 V 3.40 x 104 V 4.1 x 1014 V 2.0 x 106 VA circular conducting loop with radius 2.80 cm is placed in a uniform magnetic field of 0.650 T with the plane of the coil perpendicular to the magnetic field as shown. Axis The magnetic field decreases to 0.190 T in a time interval of 28.0 ms. What is the average induced emf in the loop during this interval?
- A coil formed by wrapping 55 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 36.0° with the direction of the field. When the magnetic field is increased uniformly from 200 µT to 600 µT in 0.400 s, an emf of magnitude 80.0 mV is induced in the coil. What is the total length of the wire? mA wire loop with an area of 2.4×10−2 m2m2 is in a magnetic field of 0.40 TT directed at an angle 30∘ to the plane of the loop. If the field drops to zero in 41 ms , what is the average induced emf in the loop? Express your answer using two significant figures.A conducting coil of 1900 turns is connected to a galvanometer, and the total resistance of the circuit is 30 2. The area of each turn is 4.00 x 10-4 m². This coil is moved from a region where the magnetic field is zero into a region where it is nonzero, the normal to the coil being kept parallel to the magnetic field. The amount of charge that is induced to flow around the circuit is measured to be 7.5 × 10-³ C. Find the magnitude of the magnetic field. Number i 0.29 Units T
- A loop of wire with radius rr = 0.072 m is in a magnetic field of magnitude B. The magnetic field is perpendicular to the plane of the loop. B changes from B1 = 0.39 T to B2 = 7.5 T in Δt = 1.5 s at a constant rate. A) Express the magnitude of the average induced electric field, E, induced in the loop in terms of ΔΦ , r , and Δt. --> E = ? (formula with symbols) B) Calculate the numerical value of E in N/C.An 44-turn coil has square loops measuring 0.353m along a side and a resistance of 4.1902. It is placed in a magnetic field that makes an angle of 48.9° with the plane of each loop. The mannitude of this field varies 3 with time according to B = 2.85t, where t is measured in seconds and B in teslas. What is the induced current in the coil at t = 1.79s ? An 11-tum coll has square loops measuring 0.353 m along a side and a resistance of 1.19 12. It is placed in a magnetic field that makes an angle of 18.9° with the plane of each loop. The magnitude of this field varies with time according to B-2.8513, where is measured in seconds and 8 in teslas. What is the induced current in the coil at -1.79 ?A circular loop is hanging on the wall. It has a radius of 33.3 cm and is comprised of ) 12 coils. There is a magnetic field perpendicular to the wall, coming out of the wall, that grows from 1.5 T to 7.5 T in 3.0 seconds. The coil has a resistance of 3.752, what is the magnitude and direction of the induced current in the coil?