ABRHS PHYSICS NAME: _________________Circuit Worksheet Answers

side 1

For each of the given circuits, calculate the equivalent resistance. Then, calculate the totalcurrent. Finally, calculate the individual currents and voltages for each resistor.

Circuit 1

R1 R2 R3

Vtotal

R I V

R1 3 Ω 1 3 Vtotal = 9 v

R2 3 Ω 1 3 Itotal = 1

R3 3 Ω 1 3 Rtotal = 9

Circuit 2

R1 R2 R3Vtotal

R I V

R1 12 Ω 1/2 6 Vtotal = 6 v

R2 12 Ω 1/2 6 Itotal = 3/2

R3 12 Ω 1/2 6 Rtotal = 4

Circuit 3

R1 R2 R3

Vtotal

R I V

R1 4 Ω 1/2 2 Vtotal = 9 v

R2 8 Ω 1/2 4 Itotal = 1/2

R3 6 Ω 1/2 3 Rtotal = 18

ABRHS PHYSICS NAME: _________________Circuit Worksheet Answers

side 2

Circuit 4

R1 R2 R3Vtotal

R I V

R1 6 Ω 1 6 Vtotal = 6 v

R2 12 Ω 1/2 6 Itotal = 7/2

R3 3 Ω 2 6 Rtotal = 12/7

Circuit 5

Vtotal

R1

R2

R3

R I V

R1 4 Ω 2 8 Vtotal = 12 v

R2 4 Ω 1 4 Itotal = 2

R3 4 Ω 1 4 Rtotal = 6

Circuit 6

Vtotal

R1

R2

R3

R I V

R1 6 Ω 1/3 2 Vtotal = 9 v

R2 3 Ω 2/3 2 Itotal = 1

R3 7 Ω 1 7 Rtotal = 9

ABRHS PHYSICS NAME: _________________Circuit Worksheet Answers

side 3

Circuit 7

R1 R2 R3

Vtotal

R I V

R1 1 2 2 v Vtotal = 18

R2 5 2 10 v Itotal = 2 a

R3 3 Ω 2 6 Rtotal = 9 Ω

Circuit 8

R1 R2 R3Vtotal

R I V

R1 8 Ω 1/2 4 Vtotal = 4

R2 2 2 a 4 Itotal = 4 a

R3 8/3 3/2 4 Rtotal = 1 Ω

Circuit 9

Vtotal

R1

R2

R3

R I V

R1 4/3 3 4 v Vtotal = 12

R2 4 Ω 2 8 Itotal = 3 a

R3 8 1 8 v Rtotal = 4

ABRHS PHYSICS NAME: _________________Circuit Worksheet Answers

side 4

Circuit 10

Vtotal

R3

R4

R5

R6

R7

R8

R9

R10

R1

R2

R I V

R1 1 Ω 7/2 7/2 Vtotal = 18 v

R2 3 Ω 1/2 3/2 Itotal = 11/2

R3 5 Ω 1/2 5/2 Rtotal = 36/11

R4 2 Ω 2 4

R5 4 Ω 1 4

R6 3 Ω 7/2 21/2

R7 5 Ω 4/5 4

R8 5 Ω 4/5 4

R9 10 Ω 2/5 4

R10 7 Ω 2 14