99.99% of AP Physics Students and Teachers can't answer these 3 simple MCQs.
Edit: Just because flair is EM does not necessarily mean answers are E&M exclusive
What does λ represent in AP Physics:
A. Wavelength
B. Linear mass density
C. Linear charge density
D. Decay constant
What does k represent in AP Physics:
A. Coulomb's constant
B. Boltzmann's constant
C. Spring Constant
D. Thermal Conductivity
E. Linear Drag Coefficient
What does Φ represent in AP Physics:
A. Work Function
B. Phase Angle
C. Magnetic Flux
D. Electric Flux