1) Capacitors always have... a) One metal plate b) Two dielectrics c) Two metal plates d) A metal plate and a dielectric plate 2) Capacitors cannot... a) Store charge b) Store energy c) Store current 3) Capacitance is measured in... a) Farad b) Tesla c) Coulomb d) Joule 4) Which of these factors doe not affect the amount of charge a capacitor can store a) Surface Area of plates b) Choice of dielectric c) Separation of the plates d) Cell used to charge capacitor 5) A capacitor has one plate of charge Q and the other of charge -Q. What charge do we say the capacitor has? a) zero charge b) -Q c) Q d) 2Q 6) Which is true? Electrons flow through a) neither the cell or the capacitor b) the cell, but not the capacitor c) the capacitor but not the cell d) both the cell and the capacitor 7) A 100 microfarad capacitor stores how many more times the charge per volt than a 50 microfarad capacitor? a) 100 b) 2 c) 50 d) 0.5 e) 4 8) The area under an I-t graph is the... a) Charge b) Voltage c) Energy d) Electric Field e) Capacitance

Capacitors

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