A circular metal loop of radius a=1m spins with a constant angular velocity o = 20n rad/s in a magnetic field B = 3 Tesla, as shown in the figure. The resistance of the loop is 10 ohms. Let P be the power a dissipated in one complete cycle. What is the value of in Watts? 4

Q: Problem 2. A linear machine has the following characteristics: magnetic flux density B = 0.5 T into…

A: Given, magnetic flux density is, B=0.5T --into the page, length of bad, L=0.5m external resistance,…

Q: Chapter 23: Question 7: Suppose a conducting rod is 58.5 cm long and slides on a pair of rails at…

A: Part a) : εind​=9VWe have , induced emf in conducting rod                      εind​=BLvWhere B -…

Q: As shown below, a wire loop is immersed in a 0.73 T B-field (the direction of the field is shown in…

A: Magnetic Field B=0.73 T Initial radius r1=59 cm Final radius r2=4.2 cm Induced voltageε=6 V Induced…

Q: Emk e = 300V, resistor R = 10N, switch S and a toroid of N = 10* number of turns are connected in…

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Q: A very large, superconducting solenoid such as one used in MRI scans, stores 1.00 MJ of energy in…

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Q: A rectangular conductor of length=8m and width=6m is rotating at an angular frequency=2n[400]…

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Q: The magnetic field through a coil change from 7 nT to 9 nT in 5 seconds. If the coil has 3500 turns…

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Q: The current in a long solenoid of radius 7 cm and 17 turns/cm is varied with time at a rate of 6…

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Q: The current in a long solenoid of radius 2 cm and 19 turns/cm is varied with time at a rate of 5…

A: Given data r=2 cmn=19/cmdIdt=5 A/s Here, r is the radius of the solenoid, n is the number if turns…

Q: The 10 cm diameter permanent magnet pole face produces 4mWb of flux. A 50 cm long conductor cuts…

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Q: A 105-turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1,800 rev/min, as…

A: GIVEN,  area= 0.040 m^2 ω=1800 revmin*1min 60 sec×2π rad1 rev=188.5 red/sec   B=2.0 ✕ 10−5 T N=105

Q: The magnetic flux through a coil of wire containing 15 loops changes at a constant rate from 10Wb to…

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Q: Select the correct answer. What is the emf produced in a 1.5 meter wire moving at a speed of 6.2…

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Q: At the instant a current of 0.40 A is flowing through a coil of wire, the energy stored in its…

A: Write the equation for the energy stored in magnetic field. Eenrgy storedU=12Inductance LCurrent I2…

Q: A 0.200-m wire is moved parallel to a 0.500-T magnetic field at a speed of 1.50 m/s. What emf is…

A: Length, l = 0.200 mField, B = 0.500 TSpeed, v = 1.50 m/sInduced emf, ε = ?

Q: Magnetic field strength in space as shown in the figure below.Find the emf induced in a square…

A: Given a magnetic field strength is :- H→=a→x900 sin106t-x+a→y900 sin107t-z+a→z500 cos6×107t-y

Q: A current runs in a long solenoid of a radius 3 cm and 437 turns per meter. The current in the…

A: Radiusof long solenoid  (r) = 3 cm = 0.03 m Number of turns per meter (n) = 437 Rate of increase of…

Q: As shown below, a wire loop is immersed in a 0.48 T B-field (the direction of the field is shown in…

A: To solve this problem, we can use Faraday's law of electromagnetic induction, which states that the…

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: A conducting wire shaped in a "U shape" is connected to a 5 ohm light bulb. The 0.8 T external…

A: The objective of the question is to calculate the induced electromotive force in a conducting wire…

Q: A square coil of side 16 cm has 200 tums and rotates in a uniform magnetic field of magnitude 0.05…

A: Given data: Side of the coil (s) = 16 cm = 0.16 m Number of turns (N) = 200 Magnetic field (B) =…

Q: A loop of wire with a radius of 0.16 m and resistance, 47.4 Ohms is in a region with a changing…

A: Faraday's Law of Electromagnetic Induction Whenever there is a change in magnetic flux linked to a…

Q: A coil with 50 turns is rotating in a magnetic field. If the magnetic flux changed from 7.5 x 10^2…

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Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…

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Q: The bolt of lightning depicted in the figure passes 200 m from a 90 turn coil oriented as shown. If…

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Q: An aluminum bar moves with a speed 4.25m/s between two copper roads in a magnetic field of 0.1T as…

A: Step 1:Given data:The speed of the bar is v = 4.25 m/sThe magnetic fields between the copper rod is…

Q: A conducting wire shaped in a “U shape” is connected to a  5 ohm light bulb. The 0.8 T external…

A: We have to know about a basic formula.

Q: A 100-turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1,450 rev/min, as…

A: Coil of area (A) = 0.040 m2 Number of turns (N) = 110  Angular frequency (ω) = 1450 rev/min = 1450…

Q: A jet airplane with a 75.0 m wingspan is flying at 270 m/s. What emf is induced between the wing…

A: length of wings = L = 75 mspeed = V = 270 m/svertical component of earth magnetic field =  = 3 x…

Q: In the figure, a wire loop of dimensions L = 43.1 cm and W= 25.4 cm lies in a magnetic field. What…

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Q: The magnetic field through a single loop of wire 12.0 cm in radius and of 7.5 Ω resistance changes…

A: Given that : radius of wire loop (r) = 12 cm = 0.12 m resistance (R) = 7.5 ohm  emf can be…

Q: A coil consisting of 10 turns of wire each in an area of 0.025 m² is rotating in a magnetic field…

A: As per the answering guidelines we will solve only  the first problem. Please upload the last part…

Q: An electromagnetic rail gun uses magnetic forces to launch projectiles. (Figure 1) shows a…

A: Thank you

Q: A very large, superconducting solenoid such as one used in MRI scans, stores 1.00 MJ of energy in…

A: Given- Q = 1.00 MJ = 1.00*106 J m = 1000 kg I = 100 A c = 200 J/kg.oC

Q: A coil of 1000 turns encloses an area of 50e4 cm2 and is in a magnetic field of strength 3e-6 T…

A: The induced emf is given by The magnetic flux is given by

Q: in the figure below, a square loop with 10 turns that is 10.0 cm on a side has a magnetic field…

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Q: A single circular loop of wire of radius 0.25m is positioned in a uniform magnetic field of 0.25T…

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Q: Consider the arrangement shown in the figure below. Assume that R = 6.00 Q, 1=1.20 m, and a uniform…

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Q: A metal bar of length L = 2.8 m slides along two horizontal metal rails as shown in the figure…

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Q: A circuit is made with a resistor of resistance 25 ohms and a movable bar with length 15 cm moving…

A: Write the given values of this problem. R=25 ohml=15 cm or 0.15 mv=8 m/sB=1.5 T

Q: the magnetic field starts with a strength (B) of 50 mT into the paper and it decreases to zero and…

A: Given that, the magnetic field starts with a strength (B) of 50 mT into the paper and it decreases…