A small bead of mass (m) and a -q charge slides across (no friction) a non-charged string that passes alongside a fixed point charge +Q at a distance (d) from the string, the bead is released from rest at point A which is at a distance of r=2d from the charge +Q Gravity can be ignored. with the following diagram provided: a) provide the expression for the initial acceleration of the bead b) what is the velocity of the bead at point B(see diagram) ? provide the expression.

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Q: Following Coulomb’s Law, will the value of the Coulomb force between two objects of q1=1C and q2=1C…

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Q: The three q1 q2=q3= 55 µC charges came into the arrangement shown below from very far apart. q1 is…

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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.