For a solenoid in vacuum of length L=10 cm with 104 turns per meter calculate the value of the current if the solenoid is placed in an external uniform magnetic field Bext=35 μT with field lines exactly opposite to the field produced by the solenoid. Take vacuum permeability μ0=4π×10^-7 H/m. Provide your answer in SI units.

Q: A single-turn circular loop has a radius of 25 cm, it is placed in a magnetic field of B = 3.5 T…

A: Solution: Given: 1 m = 100 cm 1 m2 = 104 cm2  r = radius of loop = 25 cm B = magnetic field = 3.5 T…

Q: A uniform 2.5 T magnetic field points to the right. A 3.0-m-long wire, carrying 15 A, is placed at…

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Q: A solenoid of radius r = 1.25 cm and length L = 26.0 cm has 305 turns and carries 20 A. Calculate…

A: Given, radius of the solenoid, r = 1.25 cm,length, L = 26.0 cmnumber of turns, N = 305current, I =…

Q: A solenoid is wound with 1700 turns per meter. When the current is 4.4 A, what is the magnetic field…

A: Given data:  Number of turns per meter (n) = 1700 Current (I) = 4.4 A Required: The magnetic field…

Q: Shown in the figure below is a rectangle of wire immersed in a magnetic field. The rectangle has…

A: Given :l=2 mw=2 mR=7.02 ohmB(t)=5t3+2t4

Q: A wire has a length of 7.24 x 102 m and is used to make a circular coil of one turn. There is a…

A: Given that, Length of the wire (L)= 7.24× 10-² m Current (I)= 3.21 A Magnetic field (B)= 4.96 T…

Q: solenoid has the following dimensions. inner diameter d = 5.12 cm length L = 46.7 cm When a current…

A: Given : d = 5.12 cm = 0.0512 m L = 46.7 cm = 0.467 m B = 5.40 T

Q: A mass of 2.31 kg is hanging at rest on a non-conductive string. The string is connected to a…

A: (a) Here, the mass is hanging downward so the magnetic force is vertically upward that balance the…

Q: Magnetising field strength

A: Given: Perpendicular distance d=1.2mm=1.2*10-3m. Current I=1.1A

Q: You are designing the main solenoid for an MRI machine. The solenoid should be 1.50 m long. When the…

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Q: A long solenoid is constructed in a physics lab. The solenoid is 196.0 cm long and it has 6938 turns…

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Q: You have a solenoid with an initial current of 386 A and a turn density of 6088 loops. m What the…

A: The induced emf at the center of the solenoid is 4440 V. Write the expression for Ohm's law and…

Q: The following figure shows a 2.6-cm-diameter solenoid passing through the center of a…

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Q: You are working at a company that manufactures solenoids for industrial and research use. A client…

A: Given, V=1000Vl=45.0cmrs=1.90cmdw=0.127mmρ=1.7×10-8Ωm

Q: A transmission line strung 10 m above the ground carries a current of 600 A. What is the magnetic…

A: Give ,  I=600A r=10m

Q: You are working at a company that manufactures solenoids for industrial and research use. A client…

A: in this question we use magnetic field equation to determine it.

Q: An equilateral triangle 8.0 cm on a side is in a 6 mT uniform magnetic field. The magnetic flux…

A: Given data:  The side length of an equilateral triangle (a) = 8.0 cm = 0.080 m Uniform magnetic…

Q: Calculate the magnitude of the magnetic field in (Tesla) at a point 13.3 cm from a long, thin…

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Q: 1. Calculate B using the equation above. 2. Calculate e/m using equation 3. عمال 2V 2 B², ² 3.…

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Q: A circular coil 15.0 cm in diameter and containing nine loops lies flat on the ground. The Earth's…

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Q: You have a solenoid with an initial current of 118 A and a turn density of 5365 What is the initial…

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Q: A dc generator is rated at 20 kW, 250 V, and 80 A when it rotates at 1500 rpm. The resistance of the…

A: If have any doubt feel free to ask.

Q: The following figure shows a 1.4-cm-diameter solenoid passing through the center of a…

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Q: She then uses a permanent magnet of strength B = 0.5 mT to induce a voltage in the (same) coil.…

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Q: A circular plastic core is wrapped with a 22.0 m-long copper wire, with a diameter of 0.0200 mm and…

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Q: A solenoid 2.5 cm in diameter and 30 cm in length has 2400 turns and carries a current of 2.0 A.…

A: Given value--- Diameter d= 2.5 cm. radius r=1.25 cm length  L= 30 cm. number of turns N= 2400…

Q: The magnetic field at the center of a solenoid L = 75 cm long is B = 0.11 T when a current of I =…

A: Given data: Length of the solenoid, L=75 cm = 0.75 m Magnetic field, B=0.11 T Current, I=3.5 A

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.