B A6 cm x 8 cm rectangular loop of wire is located in the x-y plane with its center at the origin and its long sides parallel to the y axis as shown in the figure. The loop has a current of 9 A flowing clockwise. Determine the magnetic flux density, B, at the center of the loop. Note that μ=4xx 10-7 Him. 0 21.5× 10-47 - 21.5×10-T 2119 T ⑩-2119T 4₁ = 8 cm y (0,4 cm, 0) X l₁₂ = 6 cm (3 cm, 0, 0)

For the magnetic core of Figure, the flux density at cross section 1 is B1=0.4T. Determine B2 A₁ = 2 × 10-2 m² Ф Φ A₂ = 1 × 10-2 m²

3- A magnetic core with an air gap is shown in below Figure. The depth of the core is 3 cm, the length of the air gap in the core is 4 cm, and the number of turns on the coil is 100. How much current is required to produce total flux of 0.00052 Weber? (Hr= 2000, µo=4.r107). 6 cm $3 20 cm N = 100 4 cm = lg 6 ст 6 cm 18 cm 12 cm 18 cm 6 cm Depth = 3 cm

Three long, straight conductors are placed as shown in Figure and they carry a current of 3 A each. The currents are coming out of the page. Given a 1.0 cm, compute the magnitude of the magnetic field at point C O 79.95 UT O 125 UT O 30 uT OUT A. a Ва са -Ol OI

You have a solenoid with an into all current of 577A and a turn dentistry of 6601 loops/m What is the intial magnetic field through the solenoid ? the current in the solenoid drops to 34 A over the course of 4ms. What is the final magetic field through the solenoid ? the coil has a resistance of 20. What is the current though the coil? what is the power disssipated by the coil? inside the solenoid 56loops and a radius of 6.2cm. What is the magnitude of the induced in the 56 turn coil. Positive nunber

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In the core of a long solenoid the magnetic flux density is 100 Tesla. The cross section of the solenoid is a circle with diameter d=10 cm. Determine the magnetic flux in the core in mWb.

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