1. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 1 [Insert puzzler here]

2. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 2 Announcements:

3. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 3 1 of 3 A light bulb is lit by connecting it to a battery as shown. The electrical current passing through point B is 1.Zero. 2.Less than that through point A (but greater than zero). 3.Equal to that through point A. 4.Greater than that through point A. + A B

4. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 4 2 of 3 A light bulb is lit by connecting it to a battery as shown. The electrical current passing through point B is 1.Zero. 2.Less than that through point A (but greater than zero). 3.Equal to that through point A. 4.Greater than that through point A. + A B

5. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 5 2 of 3 In circuit on the left, a battery is used to light a light bulb. The circuit on the right is the same except that another light bulb is connected as shown. All lamps are identical. The batteries are fresh (ideal). The current through point B is 1.Zero. 2.Less than that through point A (but greater than zero). 3.Equal to that through point A. 4.Greater than that through point A. ++ A B

6. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 6 Announcements:

7. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 7 1 of 3 A light bulb is lit by connecting it to a battery as shown. The electrical current passing through point B is 1.Zero. 2.Less than that through point A (but greater than zero). 3.Equal to that through point A. 4.Greater than that through point A. + A B

8. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 8 2 of 3 A light bulb is lit by connecting it to a battery as shown. The electrical current passing through point B is 1.Zero. 2.Less than that through point A (but greater than zero). 3.Equal to that through point A. 4.Greater than that through point A. + A B

9. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 9 2 of 3 In circuit on the left, a battery is used to light a light bulb. The circuit on the right is the same except that another light bulb is connected as shown. All lamps are identical. The batteries are fresh (ideal). The current through point B is 1.Zero. 2.Less than that through point A (but greater than zero). 3.Equal to that through point A. 4.Greater than that through point A. ++ A B

10. PHYS-1700/2100PHYS-1700/2100 II1 EMF and Electrical CurrentNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 10 14141414 25252525 36363636 PROJECTION SCREEN HAND IN TODAY’S ACTIVITIES SHEETS