(12%) Problem 4: Two resistors, with resistances R1 = 6.5 and R2 = 3.7 , are con

Question

(12%) Problem 4: Two resistors, with resistances R1 = 6.5 and R2 = 3.7 , are connected in parallel to a V = 3.5 V source > 33% Part (a) Enter an expression for the current, I, in the circuit in terms of the given quantities Grade Summary Deductions Potential 100% Submissions Attempts remaining: 10 (1 % per attempt) detailed view 0 BA DEL CLEAR Submit Hint I give up! Hints: 1 % deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 33% Part (b) What is the value of the current, I, in amperes? 33% Part (c) How much power, P, in watts, is dissipated in the circuit?

Explanation / Answer

a) I = V/R(equi)

= V/(R1R2/R1+R2)

b) I = 3.5 / (6.5*3.7 /(6.5+3.7))

= 1.48 A

c) P = VI = 1.48*3.5 = 5.2 W

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