Homework_1Part BHomework_11) Name eight subdivisions of electrical engineering.Check all that apply.Check all that apply.Nuclear physicsSignal processingElectromagneticsPhotonicsElectronicsPower systemsMaterial processingMechanical systemsOpticsFluid mechanicsThermodynamic systemsCommunication systemsControl systemsComputer systems2) The circuit element shown in(Figure 1)hasvvv=12VVandibaibai_ba=-4.5AA.Figure1of1The figure shows an unknown circuit element with two terminals, marked as a and b. Current i flows through the element from terminal a to terminal b. The voltage between terminals b and a is v, with the positive reference taken at a.Part BWhat is the value ofii?Express your answer to three significant figures and include the appropriate
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