3.5.2 part 2

Question 11 What is the equivalent resistance of a circuit that contains three 20.0  resistors connected in parallel with a 12.0 V battery? A.60.0 B.6.67 C.0.600 D.30.0 

Question 16 What is the magnetic force on a proton that is moving at 4.5  107 m/s to the right through a magnetic field that is 1.6 T and pointing away from you? The charge on a proton is 1.6  10-19 C. Use F = qv  Bsin. 

A.1.2  10-11 N up

B.1.2  10-19 N down

C.7.2  10-7 N up

D.7.2  10-7 N down 

Question 17 What is special about an AC circuit? A.It has both series and parallel components.B.Charge moves in a single direction.C.Charge moves back and forth very quickly.D.It has only series or only parallel components.

Question 25 Controlling the amount of current in a circuit by opposing the flow of charge is a function of which circuit component? A.TransistorB.ResistorC.BatteryD.Capacitor