Solve for the total current by determining the equivalent resistance. Let Vs = 81, R = 74. 12 2 10 N R Vs 15Ω 20 N ww ww

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A: Circuit is given as,

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Q: What is the circuit time constant? 1 kQ i(1) I mH ll

A: For RL series circuit time constant =Inductance/resistance  I.e. time constant = L/R.    

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Q: Given a capacitance of 30 nF and a voltage of 30 J, compute for the charge and energy.

A: Given,The capacitance is,C=30nFandThe voltage is,V=30V

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A: a0.529 n2ZA°=0.01×10-3 m0.529×n21 10-10=0.01×10-3 mn2=0.01×1070.529n=434.78≅435

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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.