10%) Problem 6: In the three-resistor circuit diagram shown at right, R 7.5 2, R

Question

10%) Problem 6: In the three-resistor circuit diagram shown at right, R 7.5 2, R2 14.5 2, R 5.5 S2, and V 19.5 V Randomized Variables R2 14.5 S2 R3 5.5 2 V 19.5 V A 50% Part (a) Input an expression for the equivalent resistance of the whole circuit eq 7 8 9 4 5 6 1 2 3 Reg t V BACKSPACE CLEAR Submit Hint Feedback Hints: 49 deduction per hint. Hints remaining: 2 Feedback: S% deduction per feedback. A 50% Part (b) What is the current in amps? Otheexpertta.com Grade Summary 0% Deductions 100% Potential Submissions Attempts remaining: 20 (09 per attempt) detailed view

Explanation / Answer

Part A) In the given circuit

R1 = 7.5, R2 = 14.5 and R3 = 5.5

Here,

R2 and R3 are in parallel

So equivalent resistance of R2 and R3 = 14.5*5.5/(14.5+5.5)

= 3.9875 ohms

And it Is in series with R1

Equivalent resistance of whole circuit(Req)

= 3.9875 + R1

= 3.9875 + 7.5

= 11.4875 ohms

Therefore , equivalent resistance(Req) = 11.4875 ohms

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