charge and matter i charged conductor (metal sphere) q uncharged conductor (metal sphere) q’ = 0
DESCRIPTION
Charge and Matter I Charged Conductor (metal sphere) Q final = Q/2 Uncharged Conductor (metal sphere) Q’ final = Q/2TRANSCRIPT
Charge and Matter I
Charged Conductor (metal sphere)
Q
Uncharged Conductor (metal sphere)
Q’ = 0
Charge and Matter I
Contact, then separate
Charge and Matter I
Charged Conductor (metal sphere)
Qfinal = Q/2
Uncharged Conductor (metal sphere)
Q’final = Q/2
Charge and Matter I’
Small Conductor (metal sphere)
Q
Large Conductor (sphere)
Q’ = 0
Charge and Matter I’
Contact, then separate
Charge and Matter I’
Small Conductor (metal sphere)
Qfinal << Q/2
Large Conductor (sphere)
Q’final approx Q (!)
“earthing” (aka “grounding”) a conductor
Charge and Matter II
Charged Conductor (metal sphere)
Q
Uncharged Conductor (metal sphere)
Q’ = 0
Charge and Matter II
Charged Conductor (metal sphere)
Q
Split theUncharged Conductor
Q’ = 0
Charge and Matter II
Charged Conductor (metal sphere)
Q
Separate the split theUncharged Conductor
Qleft’ < 0Qright’ > 0
Charge and Matter III
Charged Conductor (metal sphere)
Q
Uncharged Insulator (glass sphere)
Q’ = 0
Charge and Matter III
Charged Conductor (metal sphere)
Q
Split theUncharged Insulator
Q’ = 0
Charge and Matter III
Charged Conductor (metal sphere)
Q
Separate the Split Uncharged Insulator
Qleft’ = 0Qright’ = 0
Charge and Matter IV
Charged Conductor (metal sphere)
Q
Uncharged Insulator (glass sphere)
Q’ = 0
Thales of Miletus: “a rubbed piece of amber attracts papyrus”
Matter can be “charged”
The “charge” can be transferred
“Charge” can be positive or negative
Conductors v. Insulators
“Charge” is conserved