PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD.

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PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 1 [Insert puzzler here]

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 2 Announcements:

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of of 3 Which system has greater capacitance? 1.A (press 1). 2.B (press 2). 3.Both have same capacitance. 4.Cannot be determined without specifying the source of EMF. VACUUM POSITIVE PLATE NEGATIVE PLATE A B PAPER POSITIVE PLATE NEGATIVE PLATE

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of of 3 Which two-capacitor system has greater capacitance? 1.A (press 1). 2.B (press 2). 3.Both have the same capacitance. 4.Cannot be determined without specifying the source of EMF pF A B

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of of 3 The capacitor C is charged initially with charge Q. After S1 is closed, the current through the resistor will 1.Start out small and get bigger for a while, but become steady. 2.Start out at a certain amount, and stay that way (steady current). 3.Start out big, but get smaller and smaller over time. SWITCH S1 OPEN C Q R

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of 9 6

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of of 3 Which system has greater capacitance? 1.A (press 1). 2.B (press 2). 3.Both have same capacitance. 4.Cannot be determined without specifying the source of EMF. VACUUM POSITIVE PLATE NEGATIVE PLATE A B PAPER POSITIVE PLATE NEGATIVE PLATE

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of of 3 Which two-capacitor system has greater capacitance? 1.A (press 1). 2.B (press 2). 3.Both have the same capacitance. 4.Cannot be determined without specifying the source of EMF pF A B

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of of 3 The capacitor C is charged initially with charge Q. After S1 is closed, the current through the resistor will 1.Start out small and get bigger for a while, but become steady. 2.Start out at a certain amount, and stay that way (steady current). 3.Start out big, but get smaller and smaller over time. SWITCH S1 OPEN C Q R

PHYS-1700/2100PHYS-1700/2100 II7 Series and Parallel CapacitanceNEBRASKA WESLEYAN UNIVERSITYSPRING DEAN SIEGLAFF NATHANIEL CUNNINGHAM BOB FAIRCHILD of PROJECTION SCREEN HAND IN TODAY’S ACTIVITIES SHEETS 6666