Parallel Circuits In Class Lab Understanding Parallel Circuits

ATI Electrical Lab#2 EC-501 • Your Name __________ • Instructor ___________ • Date _____________ • Score ________

Question #1 What is the voltage at Plug #2? Identify This Line & the voltage? _______ Plug #1 Plug #2 Plug #3 Identify This Line & the voltage? ________ 120 V Source

Question #2 What is the voltage Drop at R 1, R 2, R 3 & the current for each load? 40 Watt R 1 R 2 R 3 1. 5 ohms 120 V / L 1 Source VD______ Amps______ VD______ Neutral

Question #3 What is the voltage Drop at R 1, R 2, R 3 & the current for each load? 120 V / L 1 Source R 1 R 2 10 ohms 8 ohms VD______ Amps______ VD______ R 3 VD______ Neutral

Question #4 What is the Voltage between Point A & Point B or across the load? Point #A Point #B R 1 R 2 120 v

Is this circuit wired properly in parallel? YES / NO 10 ohms What is the RT of this circuit if the light bulbs have 10 ohms of resistance each? N Ground L 1 / 120 v RT = _____ ET = _____ IT = v _____

Question #5 What is the total resistance in this circuit? RT = _____ ET = _____ IT = _____ R 1 4. 7 ohms R 1 = 4. 7 ohms E 1 = _____ I 1 = ______ R 2 = 8. 9 ohms E 2 = ______ I 1 = ______ 8. 9 ohms 120 v / Line 1 Neutral

Question #6 Find the total resistance, voltage drop (E) for R 1, R 2, and the individual current flow for each load? RT = _____ R 1 = _____ E 1 = _____ I 1 = _____ 4. 7 ohms R 2 = _____ E 1 = _____ I 1 = _____ R 2 8. 9 ohms 120 v / L 1 Neutral

Find the voltage drop (E) for R 1, R 2, R 3 and the individual current flow for each load? R 1 4. 4 ohms R 2 4. 7 ohms R 3 8. 9 ohms ET = 120 v Question #7 IT = __________ R 1 = 4. 4 ohms E 1 = _____ I 1 = _____ R 2 = 4. 7 ohms E 1 = _____ I 1 = _____ R 3 = 8. 9 ohms E 1 = ______ I 1 = ______

Question #8 Find the total resistance, voltage drop (E) for R 1, R 2, R 3 and the individual current flow for each load? RT = _____ IT = _____ ET = _____ R 1 4. 7 ohms R 3 R 2 2. 0 ohms 8. 9 ohms 120 v R 1 = _____ E 1 = _____ I 1 = _____ R 2 = _____ E 1 = _____ I 1 = _____ R 3 = _____ E 1 = _____ I 1 = _____

Find the voltage drop (E) for R 1, R 2, R 3 and the individual current flow for each load? R 1 2. 3 ohms Question #9 R 1 = 2. 3 ohms E 1 = _____ I 1 = _____ R 2 9 ohms R 3 R 2 = 9. 0 ohms E 2 = _____ I 2 = _____ 4. 7 ohms R 3 = 4. 7 ohms E 2 = ______ I 2 = ______ R 4 RT = _____ ET = _____ IT = _____ 120 v / L 1 8. 9 ohms R 4 = 8. 9 ohms E 2 = ______ I 2 = ______ Neutral

Find the Power for (E) for R 1, R 2, R 3, R 4 and the individual current flow for each load? R 1 2. 3 ohms Question #10 R 2 9 ohms R 3 4. 7 ohms 120 v / L 1 __________ = = 2. 3 ohms __________ R 2 E 2 I 2 P 1 = 9. 0 ohms = __________ = _____ R 3 = 4. 7 ohms E 3 = ______ I 3 = ______ P 3 = ______ R 4 RT = ET = IT = PT = R 1 E 1 I 1 P 1 8. 9 ohms R 4 E 4 I 4 P 4 Neutral = = 8. 9 ohms ___________