A circular loop of wire with radius r= 0.0250 m and resistance R = 0.380 Q is in a region of spatially uniform magnetic field, as shown in the figure. The magnetic field is directed out of the plane of the figure. At t = 0, B = 0. The magnetic field then begins increasing, with B(t) = (0.390 T/s2). What is the current in the loop (magnitude and direction) at the instant when B = 1.33 T?

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A: mass of person, M=61.8 kg Sled mass, m= 20.9 kg Sled speed, vs = 5.49m/s

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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.