**Question:** Which one of the following is not an expression for electric charge?1. \(\int \sigma dA\) *area*2. \(\int \rho dV\) *volume*3. \(\varepsilon_0 \int \mathbf{E} \cdot d\mathbf{A}\) *area*4. \(\int \lambda dl\) *line*5. \(\int \mathbf{E} \cdot d\mathbf{A}\) *area***Explanation of Options:**1. \(\int \sigma dA\): Represents the integration of surface charge density (\(\sigma\)) over an area, which gives the total charge over that surface.2. \(\int \rho dV\): Represents the integration of volume charge density (\(\rho\)) over a volume, resulting in the total charge in that volume.3. \(\varepsilon_0 \int \mathbf{E} \cdot d\mathbf{A}\): Represents Gauss's law, which is related to the electric flux through a closed surface. It does not directly calculate charge without additional context or conditions.4. \(\int \lambda dl\): Represents the integration of line charge density (\(\lambda\)) over a line, resulting in the total charge along that line.5. \(\int \mathbf{E} \cdot d\mathbf{A}\): Represents the electric flux through an area and is part of Gauss's law. It does not directly express electric charge but relates to it under certain conditions.

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Answered: Which one of the following is not an…

Which one of the following is not an expression for electric charge? I calA area o Spdv volume JE.da area of Ade line O E. dA

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Chapter1: Units, Trigonometry. And Vectors

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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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.

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