AP Physics 1 – Algebra-Based: Unit 9 DC Circuits Practice Test

This picture is an electrical circuit. This circuit is a series circuit because:

Which best describes a parallel circuit?

As the resistance of a circuit increases, the current will…

In a parallel circuit which of the following is the same value throughout the circuit?

Four identical resistors are connected to a battery as seen above. How do the currents at the labeled locations compare?

For the circuit shown, the resistances are R ₁ >R ₂ > R ₃ > R ₄ . What is true about the current through each resistor?

Above is a diagram of a circuit. What should a student do to make this a short circuit?

A student builds a simple circuit with a single resistor of resistance R and measures an electric potential difference of Δ V ₁ across the resistor. Then, the student replaces the resistor with a new one of resistance R/2 and keeps the current the same. How does the electric potential difference ΔV ₂ across the new resistor compare with Δ V ₁ ?

A student builds a simple circuit with a single resistor of resistance R and measures an electric potential difference of ΔV across the resistor. Then, the student replaces the resistor with a new one of resistance 2 R and keeps the electric potential the same. What is the current I ₂ through the new circuit in terms of the original current, I ₁ ?

A student builds a simple circuit with a single resistor of resistance and current , and measures an electric potential difference of across the resistor. Then, the student decreases the current through the circuit to . How does the electric potential difference across the resistor of the new circuit compare with ?

Above is a diagram of a circuit with a switch, two resistors, and a battery. Which of the following shows the correct pathways for the conventional current I and electron current e ^❑ ?

Above is a diagram of a circuit. Which type of circuit is this?

A 15 V battery causes 3.0 A of current to flow into the circuit above. What is the magnitude of the electric potential difference across resistor R 2 ?

Five wires are made of the same material. Which wire would give the least resistance?

Compared to a 3 −Ohm resistor, a 6 −Ohm resistor has

What is the reading on the ammeter in this circuit?

Which resistor will have the greatest electrical potential difference?

Which of the following resistance cannot be produced with three 9-Ohm resistors?

A complete electrical path is called a