An infinitely long wire carrying a current of 3A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 20 cm from the corner? (Take μ₁-47x10-7 T.m/A) 1,5x10-6 T 3,0x10 - 6T 1,0x10-6 T 0,5x10-6 T O 2x10-6 T 1-3 A 1-3 A 20 cm P

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Solenoids

A solenoid is a common term for a telephone coil used as an electromagnet. It also refers to any device that uses a solenoid to convert electrical energy into mechanical energy. The device generates a magnetic field from an electric field and uses the magnetic field to produce precise motion. Solenoid valves are often used to change power, such as in-car transmitters or valves, such as in the fuel system.