1

PHYS 1022: Chap. 32, Pg 2

Topics: •  Conductivity and Resistivity •  Resistance and Ohm’s Law

•  Capacitors in series and parallel •  Resistors in series and parallel •  Kirchhoff’s Rules

2

PHYS 1022: Chap. 32, Pg 3

R1 > R2 same material

same radii

PHYS 1022: Chap. 32, Pg 4

3

PHYS 1022: Chap. 32, Pg 5

PHYS 1022: Chap. 32, Pg 6 6

1  

2  

3  

1  

2   3  

1   2  

Predict the voltages across each bulb shown in the various circuits below. You should take the battery voltage to be 3 V and the light bulb resistance to be 3 Ω. Also predict the brightness of the bulbs relative to B0

2  1  

0  

4

PHYS 1022: Chap. 32, Pg 7

PHYS 1022: Chap. 32, Pg 8

ΔV12

ΔV23 ΔV34

ΔV12

ΔV23 ΔV34

ΔV12

ΔV23 ΔV34

5

PHYS 1022: Chap. 32, Pg 9

PHYS 1022: Chap. 32, Pg 10

6

PHYS 1022: Chap. 32, Pg 11

PHYS 1022: Chap. 32, Pg 12

7

PHYS 1022: Chap. 32, Pg 13

PHYS 1022: Chap. 32, Pg 14

8

PHYS 1022: Chap. 32, Pg 15

PHYS 1022: Chap. 32, Pg 16

12 V

9

PHYS 1022: Chap. 32, Pg 17