Three long straight wires carry current out of the page as shown below with l1 = 1A, I2 = 2A and I3 = 3A. Find the magnitude of the magnetic field at point P if d = 50cm. (µT) P I d d I2 I3
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- Help mea) A wire of length L carrying a current of magnitude I is shown on the figure. Find the magnetic field vector at point P. Hint: You may find the following integrals useful: 1 1 -dx a Jx² +a? (x* +a*)* 1 -dx =- (x² +a*)* direction of current 2 X a P L 2A long straight wire carries a current of 40 A in a region where a uniform external magnetic field has a 30 µT magnitude and is parallel to the current. What is the magnitude of the resultant magnetic field at a point that is 3.5 cm from the wire? a. 230.53 µT b. 77.74 µT с. 65.31 иT d. 428.67 μΤ e. 30.00 µT
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