3. How many turns should a 14 cm long solenoid have if it is to generate a 0.875 mT magnetic field when 750 mA current is passed through it?
Q: 2. Most people need a compass to navigate using magnetic fields, but birds, whales, deer, and many…
A: Solution:
Q: 3. A long Solenoid with n=900.0 turns/m has a radius of 10.0 cm. This solenoid is 1.2 m long, and…
A: Given,The length of solenoid,Number of turns, Radius, The resistance, Frequency, Magnetic field, a.…
Q: 6. A 500-turn coil with an area of 0.250 m² is spun in Earth's 5.00 x 10-5 T magnetic field,…
A:
Q: 9. A rectangular loop with L, = 0.65 m and L₂ = 0.65 m is sitting in a magnetic field B = 0.45 T as…
A: Given Data: The length of each side of the square is Current through the square loop is The strength…
Q: 2. You have a solenoid that is 40 cm long and with 350 turns and want to produce a magnetic field…
A:
Q: In a rainstorm with a strong wind, what determines the best position in which to hold an umbrella?
A: Given: The best position that determines the umbrella to hold is explained as below,
Q: A circular coil of wire carries 50 mA of current. The coil has 50 turns and an area of 2.0 cm². A…
A: Here there are 3 questions and as per the guidelines first question has been answered. Please share…
Q: 2. A 200-turn solenoid with length of 20 cm and diameter of 2 cm. When a 5-A current passes through…
A: Given data The number of turns in the solenoid is N = 200 turns. The length of the solenoid is l =…
Q: 7. In the diagram shown below, a 0.45 T uniform magnetic field is directed into the plane of the…
A: Given: The strength of the magnetic field is 0.45 T into the plane. The resistance of the circuit is…
Q: 7. A conducting loop has an area of 280 cm² and resistance 15 . It is perpendicular to a spatially…
A:
Q: 2. A uniform magnetic field B is perpendicular to the plane of a circular loop of diameter 10 cm…
A:
Q: 4. Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and…
A: Resistivity of iron , ρ = 9.2 x 10-8 Ωm cross sectional area , A = 3.5 x 10-6 m2 velocity , v = 1…
Q: 3. A current density of J= ar, where a is a constant, flows through a cylinder of radius R along the…
A:
Q: Calculate the size (in T) of the magnetic field 11 m below a high voltage power line. The line…
A: Radius ( r ) = 11 m Voltage ( V ) = 200000 V Power ( P ) = 550 MW
Q: 4. Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and…
A: Given data: The resistivity is ρ=9.20×10-8Ω.m The area is A=3.20×10-6m2 The speed is v=3.0 m/s The…
Q: 20. FIGURE below shows a zero-resistance rod sliding to the right on two zero-resistance rails…
A: We know that emf induced will be Emf= Blv Current induced will be I= emf/ R
Q: How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT…
A: Given data, Magnetic field B=1 ×10-3 T Length l=0.02 m Constant μ0=4π×10-7 m/A
Q: A single turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.200 A. The…
A: Given: A single-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.200…
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- 7. A conducting loop has an area of 280 cm² and resistance 15 . It is perpendicular to a spatially uniform magnetic field and carries a 350 mA of induced current. At what rate is the magnetic field changing?9) A closed-line integral of magnetic field B around the loop shown in figure below gives a value of 1.46 x 10-5 Tm. Determine the current Iz (magnitude and direction). (I = 2.2 mA, I3 = 1.2 mA, I4 = 4.5 mA, Is = 0.5 mA) Is I, I,2. Suppose that a rectangular toroid has 2000 windings, h = 1 cm, an inner radius of R1 = 4 cm, and an outer radius of R2 = 6 cm. What is the current flowing through the toroid when the energy in its magnetic field is 2.0 x 10-6 J?
- 3. What is the strength of the magnetic field in- side a solenoid with 500 turns and with a 4.0 cm diameter and 30 cm long if we put 22 mA of current through it?4. A long straight wire of length 0.2 m is attached to a wall by a horizontal spring with a spring constant of k = 10 N/m. (Neglect gravity.) The wire is sitting in a uniform 0.5-T magnetic field (B) that points out of the page. When a current is turned on in the wire, the spring is stretched by 1.0 cm. What are the direction and magnitude of the current in the wire? (Recall that | Fspring = kx) A. 1.0 A, up wall B. 1.0 A, down C. 100 A, up D. 100 A, down E. 400 A, up wire 5. A long straight wire is carrying a current I = 5.0 A upward as shown in the figure below. A single, circular conducting loop of wire with a radius R = 0.02 m is located near the wire such that the closest distance from the wire to the loop's edge is 0.06 m. What must be the magnitude and direction of a current flowing around the loop such that the net magnetic field at the loop's center is zero? Iv /R A. 1.67 A, cw B. 1.67 A, cew C. 0.40 A, cw D. 0.40 A, ccw E. 1.00 A, cew 0.06 m O5. A solenoid has 500 turns, radius = 4 cm. and length = 16 cm, carries a current of 25 amps. What is the magnetic field inside the solenoid? What is the total flux inside the solenoid?
- ving question(s): 1. A solenoid is wound with 2100 turns per meter. When the current is 5.6 A, what is the magnetic field within the solenoid? Treat the solenoid as though it is infinitely long. B=1. A long solenoid that has 1,140 turns uniformly distributed over a length of 0.395 m produces a magnetic field of magnitude 1.00 10-4 T at its center. What current is required in the windings for that to occur? ______ mA 2. A wire with a weight per unit length of 0.077 N/m is suspended directly above a second wire. The top wire carries a current of 29.8 A and the bottom wire carries a current of 59.2 A. Find the distance of separation between the wires so that the top wire will be held in place by magnetic repulsion. _______ mm 3. A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 170 m from the bolt? Suppose that the bolt extends far above and below the point of observation. _______ ?T 4. It is desired to construct a solenoid that will have a resistance of 4.80 Ω (at 20°C) and produce a magnetic field of 4.00 ✕ 10−2 T at its center when it carries a current of 4.35 A. The solenoid is to be constructed from copper wire having…3. A zero-resistance rod of length 14.4 cm is being pushed along zero-resistance wires in a region where a uniform magnetic field of strength 2.00 T is directed out of the page as shown. If the wires and rod complete a circuit through a 2.90 N resistor then what velocity will the rod maintain if it is subjected to a constant pushing force of 22.0 N? Zero-resistance wires Push