Solutions to Problems of Chapter 17

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Presentation transcript:

Solutions to Problems of Chapter 17 Created for CVCA Physics By Dick Heckathorn 3 March 2K + 5

4-15-2K+4 19 Practice Problems page 646 #1 #2 #3 #4 15 Sample Problems page 645 #1 #2 19 Practice Problems page 646 #1 #2 #3 #4 27 Sample Problems page 655 #1 #2 #3 34 Practice Problems page 659 #1 #2 #3 #4 #5 44 End of Chapter Problems page 673 a b c d e

Calculate Potential Diff. V2 SP- 1: page 645 V1 = 80 V VT = 240 V V2 =? V3 = 60 V Calculate Potential Diff. V2 = 100V

Calculate electric current I3 SP- 2: page 646 IT = 12.5 A I2 = 4.0 A I3 =? I1 = 2.5 A Calculate electric current I3 I3 = 6 A

PP- 1: page 646 Find VT in the circuit? VT= 50 V V1 = 12 V VT=?

Calculate electric current IT PP- 2: page 646 Calculate electric current IT IT =? I2 = 1 A I2 = 1 A I3 = 4 A I1 = 2 A IT = 7 A

PP- 3: page 646 Find V2 Find V4 Find I3 Find I4 V4 V2= 3 V V4= 9 V I1 = 4 A I2 = 3 A I3 VT = 18 V V2 V3= 3 V I4 V4 Find V2 Find V4 Find I3 Find I4 V2= 3 V V4= 9 V I3= 1 A I4= 4 A

PP- 4: page 647 Find V2 Find V5 Find V4 Find I1 Find I4 V2= 20 V VT = 72 V I1 I3 = 4 A I2 = 2 A V4 V2 V3= 20 V I4 V5 I5= 5A Find V2 Find V5 Find V4 Find I1 Find I4 V2= 20 V V5= 16 V V4= 16 V I1= 6 A I4= 1 A

SP-1: page 655 Can find? RT = 24 Ω R1= 6 Ω I1=? V1 =? IT=? V2 =? VT = 60 V V2 =? R2= 10 Ω R3= 8 Ω I3=? I2=? V3 =? Can find? RT = 24 Ω

This is the equivalent circuit Now back to the original circuit SP-1: page 655 This is the equivalent circuit RT= 24 Ω IT VT = 60 V Can find? IT IT= 2.5 A Now back to the original circuit

SP-1: page 655 R1= 6 Ω I1=2.5 A I1=? V1 = 15V V1 =? IT=2.5 A V2 =? VT = 60 V V2 = 25V V2 =? R2= 10 Ω R3= 8 Ω I3=2.5 A I3=? I2=2.5 A I2=? V3 = 20V V3 =?

SP-2: page 656 Can find? Can find? V3 VT, V1, V2 IT R1 = 48 V I1 = 2 A I2 = 4 A I3 = 6 A IT=12A IT=? R1=24 Ω R1=? R2=12 Ω R2=? R3= 8 Ω VT=48V VT= ? V1=48V V1= ? V2=48V V2= ? V3=48V V3= ? Can find? Can find? V3 VT, V1, V2 IT R1 = 48 V Can find? R2

SP-3: page 657 Can find? V2 I3 I2 V3 V1 R2 R1= 8 Ω IT = 12 A V1=96V VT =120V V2=24V V2= ? V3=24V V3= ? I2=4A I2=? I3=8A I3=? Can find? V2 I3 I2 V3 V1 R2

PP-1: page 659 Can find? V2 V1 R2 I1 = IT = 36 V = 54 V = 8 Ω = 4.5 A I1= 4.5 A I1= ? V1 = ? IT= 4.5 A IT= ? V1 = 54 V VT = 90 V R2= ? R2= 8 Ω I2= 4.5 A V2 = 36 V V2 = ? Can find? V2 V1 R2 I1 = IT = 36 V = 54 V = 8 Ω = 4.5 A

PP-2: page 659 Can find? R1 VT R2 I2 = V1 = IT - I1 = 13.3 Ω = 20 Ω IT = 15 A I1 = 6 A I2 = 9 A I2 = ? R2= 13.3 Ω R2= ? VT= ? V1= 120 V V1= ? R1= ? R1= 20 Ω V2 = 120V VT= 120 V Can find? R1 VT R2 I2 = V1 = IT - I1 = 13.3 Ω = 20 Ω = 120 V = 9 A

PP-3: page 659 Can find? V3 = VT – (V1 + V2) V1 = R3 = IT = I1 = I3 I2 I3= 1.5 A I3=? R3= 40 Ω R3= ? I2=1.5 A I2=? V3 = 60 V V3 = ? R2= 30 Ω VT = 120 V V2 = 45 V R1= 10 Ω IT= 1.5 A IT= ? I1= 1.5 A I1= ? V1 = 15 V V1 = ? Can find? V3 = VT – (V1 + V2) V1 = R3 = IT = I1 = I3 I2 = 1.5 A 15 V 40 Ω = 1.5 A = 60 V

PP-4: page 659 IT = ? I1 = ? I2 = ? R1= 60 Ω R2= 60 Ω R3= 30 Ω VT=? I3 = 6 A

PP-4: page 659 IT = ? IT = 12A I1 = 3A I1 = ? I1 = 3A I2 = ? R1= 60 Ω VT= 180V VT=? V1=180V V1=? V2=180V V2=? V3=180 V V3=? I3 = 6 A

PP-5: page 660 IT = ? I2 =? I1 =? R1 = 30 Ω R2= 6 Ω V1 = ? V2 = ? VT = 120 V V1 = ? V2 = ? R3=15 Ω I3 =? V3 = ?

PP-5: page 660 IT = ? R1:2 = 5 Ω R1:2= ? R3=15 Ω I3 =? V3 = ? VT = 120 V R3=15 Ω I3 =? V3 = ?

PP-5: page 660 IT= 6 A IT= ? I1:2+3= 6 A I1+2:3= ? R1:2+3= 20 Ω VT = 120 V V1:2+3 = 120 V V1:2+3 = ? I3 = 6 A I3 =?

PP-5: page 660 IT= 6 amp I1+2 = 6 amp R1:2= 5 Ω V1:2 = ? V1:2 = 30V VT = 120 V V1:2 = ? V1:2 = 30V R3=15 Ω I3= 6 amp V3 = 90V V3 = ?

PP-5: page 660 IT= 6 amp I1= 1 A I1=? I2= 5 A I2=? R1= 30 Ω R2= 6 Ω VT = 120 V V1 = 30V V1 = ? V2 = 30V V2 = ? R3=15 Ω I3= 6 amp V3 = 90V

ECP-21a: page 673 R1= 8 Ω V1 = 3.2 V V1 = ? R2= 10 Ω R2= ? VT = 12 V I3= 0.4A V3 = 4.8 V V3 = ?

ECP 21b: page 673 IT = 6 A I1= 2 A I2= 4 A I2= ? R1= ? R1= 18 Ω VT = 36 V VT = ? V1 = ? V1 = 36 V V2 = 36 V V2 = ? RT= ? RT= 6 Ω

ECP 21c: page 674 R1= 60 Ω I1 = ? IT = 6 A R2= 12 Ω I2 = ? R4=11 Ω VT = 120 V I4 = ? R5= 22 Ω I5 = ? R6= 33 Ω I6 = ?

ECP 21c: page 674 R1:2= 10 Ω R1:2= Ω IT = 6 A V1 = 60 V V1 = ? R3= 4 Ω VT = 120 V V3= 24 V V3 = ? R4:5:6= 6 Ω R4:5:6= ? V4:5:6 = 36 V V4:5:6 = ?

ECP 21c: page 674 R1= 60 Ω I1 = 1 A I1 = ? IT = 6 A V1 = 60 V R2= 12 Ω VT = 120 V I4 = ? I4 = 3.3 A R3= 4 Ω V3= 24 V R5= 22 Ω I5 = ? I5 = 1.6 A R6= 33 Ω I6 = ? I6 = 1.1 A V4:5:6 = 36 V

ECP 21d: page 674 R1= ? R1= 2 Ω I1 = ? I1 = 3 A IT = 4.0 A V1:2 = 6.0 V R2= 6 Ω R2= ? VT = 6.0 V I2= 1.0A

ECP 21d: page 674 R1= ? IT = 4.0 A I1 = ? VT = 6.0 V

ECP 21d: page 674 R1= ? I1 = ? IT = 4.0 A R2= ? VT = 6.0 V I2= 1.0A

ECP 21e: page 674 Find R2 + R3 + R4 1.2 Ω R2= 6.0 Ω I2 = ? R3= 2.0 Ω V2 = ? R3= 2.0 Ω I3 = ? V3 = ? I1 = ? R4= 6.0 Ω VT = ? R1= 2.8 Ω I4 = ? V4 = ? VT = 6.0 V IT = ? Find R2 + R3 + R4 1.2 Ω

ECP 21e: page 674 R1+(R2:R3:R4) 4 Ω Can find? R2:R3:R4 = 1.2 Ω VT = 6.0 V Can find? R1+(R2:R3:R4) 4 Ω

ECP 21e: page 674 Can find? IT R1, R2, R3, R4 = 4 Ω IT = ? IT = 1.5 A VT = 6.0 V Can find? IT

ECP 21e: page 674 Can find? V1 Can find? V2,3,4 R2, R3, R4 = 1.2 Ω V2,3,4 = 1.8 V V2,3,4 = ? V1 = 4.2 V V1 = ? R1= 2.8 Ω IT = 1.5 A VT = 6.0 V Can find? V1 Can find? V2,3,4

ECP 21e: page 674 Can find? I2 I3 I4 R2= 6.0 Ω I2 = 0.3 A I2 = ? V1 = 4.2 V I4 = 0.3 A I4 = ? R1= 2.8 Ω V1 = 1.8 V I = 1.5 A VT = 6.0 V Can find? I2 I3 I4

That’s All Folks