Review of all Electricity and Magnetism Dimensions - AP Physics C

The video tutorial covers key concepts in electricity and magnetism, focusing on the symbols and dimensions of various physical quantities such as charge, electric field, electric flux, capacitance, current, resistance, resistivity, time constant, magnetic field, magnetic flux, and inductance. The instructor emphasizes the importance of understanding dimensions and provides detailed explanations of each concept, including their symbols and units. The session concludes with a reminder that dimensions are crucial in understanding these topics.

What is the symbol for charge and its dimensions?

• C, measured in farads

• Q, measured in coulombs

• E, measured in volts

• V, measured in joules

Which of the following is the correct symbol and dimension for electric potential difference?

• Delta V, measured in joules per coulomb

• E, measured in newtons per coulomb

• Q, measured in coulombs

• C, measured in farads

What is the symbol for capacitance and its dimensions?

• Q, measured in coulombs

• V, measured in volts

• E, measured in newtons per coulomb

• C, measured in farads

What is the symbol for current and its dimensions?

• V, measured in volts

• I, measured in amperes

• C, measured in coulombs

• R, measured in ohms

How is resistivity different from resistance?

• Resistivity is a material property, while resistance depends on the object's shape and material

• Resistivity is measured in ohms, while resistance is measured in ohm meters

• Resistivity is a geometric property, while resistance is a material property

• Resistivity and resistance are the same

What is the symbol for magnetic field and its dimensions?

• E, measured in volts per meter

• B, measured in teslas

• C, measured in farads

• Q, measured in coulombs

What is the symbol for inductance and its dimensions?

• L, measured in henrys

• C, measured in coulombs

• R, measured in ohms

• B, measured in teslas