# Physics (Grades 9–12) Subtest 2

## Subarea I.1. Electricity and Magnetism

0010
Analyze electric circuits.

- demonstrating knowledge of measuring and calculating time-varying or constant values of current, voltage, and power in electric circuits
- describing the current, voltage, resistance, capacitance, or inductance of a given system of circuit elements
- applying Kirchhoff's laws to explain and predict the current through or the voltage across elements in a given circuit
- demonstrating knowledge of how to design a circuit that behaves in a given way

0011
Demonstrate knowledge of electric and magnetic fields.

- applying Newton's laws and the Lorentz force to explain and predict the motion of charges in given electric and magnetic fields
- applying Coulomb's law to analyze the forces between point charges
- applying Gauss's law to explain and predict the electric field around a given simple geometric distribution of charges
- demonstrating knowledge of electric potential
- applying Ampere's law to explain and predict the magnetic field around a given simple geometric distribution of current-carrying wires
- analyzing a design of a working electric motor and an air core electromagnet made from simple materials

0012
Demonstrate knowledge of electromagnetic induction.

- applying Lenz's law and Faraday's law to explain and predict induced currents from a given changing magnetic field
- explaining the electromagnetic nature of light
- explaining how electromagnetic radiation is generated in a given situation in terms of acceleration of charges