A straight wire carries a 15.0-A current as shown in the figure. ABCD is a rectangle with point D in the middle of a 1.10-mm segment of the wire and point Cin the wire. Find the magnitude and direction of the magnetic field due to this segment at point B.

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Q: Label the parts of a abbe refractometer and give its uses.

A: The parts of a abbe refractometer and give its uses.

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Q: 2. Find the nuclear radii of the following nuclides: a. H b. Co C 197 79Au d. 23 Pu

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Q: What are primary images

A: The first image formed by the reflection is called a primary image.

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.