How does a circuit breaker protect a refrigerator?
O
A. When the resistance is too high, a resettable switch opens the
circuit.
B. When the current is too high, a resettable switch opens the circuit.
O
C. When the current is too high, a metal strip in the fuse melts and
opens the circuit
D. When the resistance is too high, a metal strip in the fuse melts and
opens the circuit.

What is the radius of the circular path ofa charged particle in a magnetic field?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom