Ex 4 : A rectangular coil of MCG has 50 turns and an area of 12 cm. It is suspended in a radial magnetic field of induction 0.025 Wb/m2. The torsional constant of suspension fibre is 1.5 x 10 Nm/degree. Calculate the current required to produce a deflection of 5°.

Q: A square coil with 30 turns has sides that are 18 cm long. When it is placed in a 0.30-T magnetic…

A: Given data:  A square coil  Number of turns (N) = 30 Side length (s) = 18 cm = 0.18 m Magnetic field…

Q: A rigid rectangular mesh, measuring 0.300 m by 0.400 m, carries a current of 3.70 A as shown. A…

A: Magnetic flux through a loop.

Q: A certain superconducting magnet in the form of a solenoid of length 0.58 m can generate a magnetic…

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Q: a current of 2 mA is following in the counterclockwise direction in the rectangular coil of 20…

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Q: A square loop can freely spin about one of its horizontal segments, see the picture below. The loop…

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Q: A flat, 138-turn, current-carrying loop is immersed in a uniform magnetic field. The area of the…

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Q: Chapter 30, Problem 041 A circular coil has a 13.4 cm radius and consists of 23.0 closely wound…

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Q: 1. A conducting bar with resistance R = 89.7 mN slides down two conducting rails that have no…

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Q: A circular coil 0.08 m in radius, with 30 turns of wire, lies in a horizontal plane. It carries a…

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Q: A flat, 137 turn current-carrying loop is immersed in a uniform magnetic field. The area of the loop…

A: Given: Number of turns, N=137 Area, A=8.95cm² Angle between magnetic dipole moment and field, θ=52.7…

Q: A circular coil with 232 turns has a radius of 2.4 cm. (a) What current through the coil results in…

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Q: Calculate B(0) values for current 1A and discuss the results (equation 2 fror presentation will be…

A: The magentic field inside the coil is given by: B =μ0nI2R for n loops : B = nμ0I2R μ0 = 4π x10-7  I…

Q: A certain superconducting magnet in the form of a solenoid of length 0.42 m can generate a magnetic…

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Q: 29.23. A solenoid of length 30 cm and diameter 4 cm is closely wound with 400 turns of wire around a…

A: Length of solenoid (L) = 30 cm = 0.3 m diameter = 4 cm Number of turns (N) = 400 Current (I) = 6 A

Q: A circular loop of resistance R=2.15 Q and area A=0.08 m² is placed in a uniform magnetic field.…

A: The "magnitude"of Induced EMF in the circuit is given by  Here B is in mT so we have to multiply a…

Q: ASAP

A: Given that,Side of square coil, a= 4 cmNo. of turns of coil, N= 12 turnsStrength of magnetic field…

Q: (a) What current through the coil results in a magnetic dipole moment of 3.5 A m²? 1= A (b) What is…

A: When a coil carries current it acts like magnetic dipole. When this dipole is placed in uniform…

Q: A square coil of 100 turns with 20 cm on each side, insulated with a material with relative…

A: Concept: Given: No. of turns (N)= 100 turn Current (I)= 20 mA I=20×10-3 A Length = 20 cm Thus, Area…

Q: A current of 16.6 A is maintained in a single circular loop having a circumference of 80 cm. An…

A: We know that the formula for the torque is τ= BIA Given, 2πr= .8 m i.e. r= .127 m Area of the loop=…

Q: Suppose that the saturation magnetization Mmax of the ferromagnetic metal nickel is 5.36 x 105 A/m.…

A: The magnetic dipole moment for ferromagnetic material is the ratio of saturation magnetization and…

Q: A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s about an axis normal to…

A: Given-Length of the rod, l= 1 mAngular frequency, ω=400 rad/sMagnetic field strength, B=0.5 T

Q: long, straight wire lies in the plane of a circular coil with a radius of 0.017 m. The wire carries…

A: Given Radius of circular coil is R=0.017 m Current passing through a long straight wire is I=7.5 A.…

Q: A coil of wire consists of 30 loops with each loop having a radius of 33cm. What current is required…

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Q: A circular coil has 30 turn and a radius 50.00 cm that carries 30.0 mA current. What is the maximum…

A: Torque can be said to be the force that will cause a body to rotate around an axis of motion. When a…

Q: A 65.1-cm-diameter coil consists of 20 turns of circular copper wire 8.67 mm in diameter. A uniform…

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Q: A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s-1 about an axis normal…

A: The length of the rod is 1.0m, angular frequency is 400rad s-1, and the magnetic field is 0.5T.…

Q: A large electromagnet is made of a thin iron torus of radius r and permeability µ = 10³ μ are which…

A: An area surrounded by magnetic force is called the magnetic field. Magnetic fields can be generated…

Q: A certain superconducting magnet in the form of a solenoid of length 0.30 m can generate a magnetic…

A: Given data: The length of solenoid is L=0.3 m. Magnetic field is B=10 T. Current carried I=80 A.…

Q: A rectangular loop of wire of sides W = 0.3m and L = 0.64 m lying in æy plane carries a current of I…

A: Given: The width (w) of the rectangular loop is 0.3 m. The length (L) of the rectangular loop is…

Q: A straight conductor of length / moves with an acceleration a = 0.1 ms2 at the right angle to the…

A: Magnetic field ( B ) = 11.9 T Acceleration ( a ) = 0.1 ms-2   Time ( t ) = 20 s  Voltage ( V ) = 5 V

Q: A rectangular coil of MCG has 50 turns and an area of 12 cm². It is suspended in a radial magnetic…

A: We need to compute-Current (I)=?The data given as-No. of turns (n)=50Deflection (θ)=50Area of coil…

Q: 5d. Find the terminal velocity VT of the rod: i. The terminal velocity vT of the rod in terms of B,…

A: Have a look

Q: A uniform magnetic field of strengt shown in the figure. If an air gap is c of B, in the gap.

A: GivenB=1.2 w/m2μ=1000μ0

Q: length 0.32 m can gener Tin its core when its coils windings made of a nio

A: Given as, B=7.0 T,l=0.32 m,I=70 A.

Q: A current of 17.0 mA is maintained in a single circular loop of 2.00 m circumference. A magnetic…

A: I = 17.0 mA  2*π*r =2 B = 0.800 T

Q: A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s about an axis normal to…

A: Concept: The Formula to determine the Emf developed is E=Bl2ω2Here.B=Magnetic Fieldl=Length of…