Earth’s atmosphere is constantly bombarded by cosmic ray protons that originate somewhere in space. If the protons all passed through the atmosphere, each square meter of Earth’s surface would intercept protons at the average rate of 1500 protons per second.What would be the electric current intercepted by the total surface area of the planet?

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A: Given Current (I) = 0.30 A  Time (∆t) = 20 s   We know , Current (I) = ∆q/∆t  Therefore , Total…

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A: r = 5 cm = 0.05 m I1 = I2 = 1.2 A Fm = ?

Q: Two infinitely long parallel wires are at a distance of 5.0 cm apart. If the wires carry a current…

A: Solution

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A: (1) False  Electric field is directing toward north .                              Therefore force…

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A: Given: V=10,000 V = 104 Vd = 2.00cm =2.0*10-2 m

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A: Solution: When placed in a field the diamagnetic material-decreases the flux density.

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A: Lightning inside an automobile

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A: Length = 26 m diameter = 0.45 mm T = 20oC

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Q: A pair of parallel plates are separated by a distance of 1 cm and are connected to a 12V battery.…

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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.