Class ManagementI Help Homework 3 Begin Date: 2/13/2018 2:00:00 PM-Due Date: 2/2

Question

Class ManagementI Help Homework 3 Begin Date: 2/13/2018 2:00:00 PM-Due Date: 2/22/2018 11:59:00 PM End Date: 2/23/2018 4:00.00 AM (8%) Problem 8: Consider the circuit in the diagram, with sources of emf listed below Randomized Variables 1-21 V R, 5.0 20 0.50 40 20 78 Es i005 h Ctheexpertta.com 33% Part (a) Find h in amps. Grade Summary Deductions Potential 100% sin) cos() tanO |(D 789 cotan asin acos(0 atanO acotan0 sinhO coshO tanhcotanh Attempts remaining 12 (5% per attempt) detailed view 0 °Degrees Radians Submit Hint I give up Feedback: 2% deduction per feedback. Hints: 2% deduction per hint. Hints remaining: 33% Part (b) Find /2 in amps. 33% Part (c) Find /3 in amps. ll content O2018 Expert TA. LLS

Explanation / Answer

here,

using KVL in the upper loop

5 * i1 + 0.1 * i1 + 20 * i1 - ( 40 + 0.5) * i2 = E1 - E2

5 * i1 + 0.1 * i1 + 20 * i1 - ( 40 + 0.5) * i2 = 21 - 49 .....(1)

using KVL in the lower loop

i2 * ( 0.5 + 40) + i3 * ( 0.2 + 0.05 + 78) = E2 + E3 - E4

i2 * ( 0.5 + 40) + i3 * ( 0.2 + 0.05 + 78) = 49 + 8.5 - 35 ....(2)

using KCL at a

i3 = i1 + i2 ....(3)

from (1),(2) and (3)

i1 = - 0.39 A

i2 = 0.45 A

i3 = 0.06 A

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