MCAT Physics and Math 6: Equations to Remember Test and Flashcards

Current

Kirchhoff’s junction rule

I_{into junction} = I_{leaving junction}

Kirchhoff’s loop rule

V_source = V_drop

Definition of resistance

Ohm’s law

V = IR

Voltage and cell emf

V = E_cell – ir_int

Definition of power

Electric power

Voltage drop across circuit elements (series)

V_s = V₁ + V₂ + V₃ + ⋯ + V_n

Equivalent resistance (series)

R_s = R₁ + R₂ + R₃ + ⋯ + R_n

Voltage drop across circuit elements (parallel)

V_p = V₁ = V₂ = V₃ = ⋯ = V_n

Equivalent resistance (parallel)

Definition of capacitance

Capacitance based on parallel plate geometry

Electric field in a capacitor

Potential energy of a capacitor

Capacitance with a dielectric material

C′ = κC

Equivalent capacitance (series)

Equivalent capacitance (parallel)

C_p = C₁ + C₂ + C₃ + ⋯ + C_n

Flashcards: MCAT Physics and Math 6: Equations to Remember