Multiple Choice: Electric current may be expressed in which one of the following units?

Q-1; Multiple Choice: For the hydrogen atom, which series describes electron transitions to the N=1 orbit, the lowest energy electron orbit? Is it the:
w) Lyman series
x) Balmer series
y) Paschen series
z) Pfund series
ANSWER: W -- LYMAN SERIES

Q-2; Multiple Choice: Electric current may be expressed in which one of the following units?
w) coulombs/volt
x) joules/coulomb
y) coulombs/second
z) ohms/second
ANSWER: Y -- COULOMBS/SECOND

Q-3; Short Answer: In the SI system of measure, what is the unit of capacitance?
ANSWER: FARAD

Q-4; Multiple Choice: A Newton is equal to which of the following?
w) kilogram-meter per second
x) meter per second squared
y) kilogram-meter per second squared
z) kilogram per meter-second
ANSWER: Y -- KILOGRAM-METER PER SECOND SQUARED

Q-5; Multiple Choice: For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is:
w) tangent to the path of motion
x) equal to zero
y) directed radially outward
z) directed radially inward
ANSWER: Z -- DIRECTED RADIALLY INWARD