PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 91

[Insert puzzler here]

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 92

ITEM DURATION START

Introductory Concept Survey (Individual) 0:10 0:00

Briefing: Resistance and Resistivity 0:10 0:10

Plinko Simulation of Electron Propagation in Metal 0:25 0:20

Application: Resistance Equation (PhET simulation) 0:25 0:45

Series and Parallel Analysis for Light Bulb Circuits 0:25 1:10

Concept Survey Re-vote (Group) 0:10 1:35

Dismissal 1:45

AGENDA

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 93

1 of 3

Wire A and wire B (not shown) both have the same resistivity and the same resistance. Wire B is twice as long as A. The radius of wire B must be

1. Half that of A.2. Greater than half, but less than A.3. Equal to that for A.4. Greater than A, but less than twice.5. Twice that for A.

A

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 94

2 of 3

Each light bulb as resistance R. The resistance presented to the battery by the light bulbs in circuit B is

1. Twice that seen in circuit A.2. Equal to that seen in circuit A.3. Half that seen in circuit A.4. Undeterminable without knowing the current.

+ +

A B

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 95

3 of 3

Each light bulb as resistance R. The resistance presented to the battery by the light bulbs in circuit B is

1. Twice that seen in circuit A.2. Equal to that seen in circuit A.3. Half that seen in circuit A.4. Undeterminable without knowing the current.

+

A B

+

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 96

ITEM DURATION START

Introductory Concept Survey (Individual) 0:10 0:00

Briefing: Resistance and Resistivity 0:10 0:10

Plinko Simulation of Electron Propagation in Metal 0:25 0:20

Application: Resistance Equation (PhET simulation) 0:25 0:45

Series and Parallel Analysis for Light Bulb Circuits 0:25 1:10

Concept Survey Re-vote (Group) 0:10 1:35

Dismissal 1:45

AGENDA

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 97

1 of 3

Wire A and wire B (not shown) both have the same resistivity and the same resistance. Wire B is twice as long as A. The radius of wire B must be

1. Half that of A.2. Greater than half, but less than A.3. Equal to that for A.4. Greater than A, but less than twice.5. Twice that for A.

A

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 98

2 of 3

Each light bulb as resistance R. The resistance presented to the battery by the light bulbs in circuit B is

1. Twice that seen in circuit A.2. Equal to that seen in circuit A.3. Half that seen in circuit A.4. Undeterminable without knowing the current.

+ +

A B

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 99

3 of 3

Each light bulb as resistance R. The resistance presented to the battery by the light bulbs in circuit B is

1. Twice that seen in circuit A.2. Equal to that seen in circuit A.3. Half that seen in circuit A.4. Undeterminable without knowing the current.

+

A B

+

PHYS-1700/2100 II3 Resistivity and Resistance NEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015

DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 910

1 4 1 4 1 4 1 4

2 5 2 5 2 5 2 5

3 3 3 3

PROJECTION SCREEN

HAND IN TODAY’S ACTIVITIES SHEETS

6 6 6 6