A solenoid with 200 coils and a length of 10.0 cm has a current of 20.0 A running through it. The solenoid is surrounded by a coil that consists of 10 loops with a total radius R2 = 5.00 cm. (Reminder: B = µoNI/L inside a solenoid). A) What is the magnetic flux through the coil due to the magnetic field created by the solenoid? B) Suppose the current through the solenoid decreases from 20.0 A to 0.0 A in 3.00s. What is the induced EMF in the coil?

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Q: the magnetic field at the center of this solenoid

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Q: A solenoid 3.0 cm long consists of 9000 loops of wire. If the magnetic field inside the solenoid is…

A: Length (L) = 3 cm = 0.03 m Number of loops (N) = 9000 turns magnetic field (B) = 1 T

Q: The

A: Required : Number of loops

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.