Which type of circuit allows current to flow through multiple branches?
parallel circuit
Which type of circuit has components connected end to end in a single path?
series circuit
What term describes a circuit with a broken path so no current flows?
open circuit
What term refers to the electric pressure that drives current in a circuit?
voltage/potential difference
What is the unit of electrical resistance?
ohm
What is the device used to measure electric current in a circuit?
ammeter
What device is used to measure potential difference?
voltmeter
What happens to total resistance when more bulbs are added in series?
it increases
What happens to total resistance when more resistors are added in parallel?
it decreases
What is the term for the rate of flow of electric charge?
Current
What occurs when current becomes dangerously high due to low resistance?
short circuit
What safety device melts when too much current flows?
fuse
What safety device automatically opens the circuit when overloaded?
circuit breaker