Vind Figure 1 Consider two infinitely long wires carrying currents I and I, cross (without electrical contact) at the origin as shown above. Starting at t = 0, the current I, decreases exponentially over time according to I, = 1,e¬t, while current I stays constant at L = 1,. Answer only the following questions to find an expression of the induced voltage vina (t) in the rectangular loop given in Figure 1 by the Faraday's law. i. Will there be any induced voltage vina (t) by I2. (Yes/No). Identify the direction of B, ds, dl, Einduced and linduced in the rectangular loop of Figure 1. ii. What is the expression of the induced voltage vina (t) in the rectangular loop? Hint: Assume that the magnetic field of long straight wire is given by B = 2nr

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Dielectric Breakdown

A dielectric is a material with low electrical conductivity and so is classified as an insulator. Dielectric materials are used to block the flow of electricity through them, allowing them to behave as an insulators. They can also be used to store electric charge or improve capacitance.Dielectrics have no free electrons for conduction because electrons are tightly bound to the nucleus. Because dielectrics contain a small number of electrons for electrical conductivity, they have a dipole. The two primary roles of dielectrics in electrical devices are insulation and electrical energy storage. An electric field polarizes the dielectric, and the polarization of the molecules allows dielectric materials to store charge.