Question: Question 1: a. The current, i, through a pn-junction diode is given by i = Is e(11600+r)VA) - 1], where V is the voltage, Is

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Question 1: a. The current, i, through a pn-junction diode is given by i = Is e(11600+r)VA) - 1], where V is the voltage, Is , 1 and A are constants. If the a.c. resistance (r) of the diode is defined 1 as 7 = di/dv find r. (6 Marks) b. Assuming y is a function of x, find - for Tx sec(y) - 3y sin(xy) = eTxy dx (13 Marks)
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