Advanced Circuits Gizmo Assessment

What resistance will the ohmmeter measure in the circuit shown below?

• A. 19 ohms

• B. 26 ohms

• C. 38 ohms

• D. 74 ohms

The circuit below is powered by a 20-volt battery. What current is flowing through the on/off switch (when it is on, as shown)?

• A. 0.23 amperes

• B. 0.29 amperes

• C. 0.32 amperes

• D. 0.38 amperes

The circuit below is powered by a 9-volt battery. What is the voltage measured by the voltmeter?

• A. 2.50 volts

• B. 3.15 volts

• C. 4.96 volts

• D. 6.54 volts

A string of holiday lights is connected to an outlet in a series circuit. When the lights are plugged in, the circuit is overloaded, causing a fuse to blow. Which of the following is most likely to solve the problem and allow the lights to remain lit?

• A. Add more lights to the series circuit.

• B. Replace several lights on the string with wires.

• C. Increase the voltage of the battery.

• D. Connect the lights in a parallel circuit.

On the circuit below, what is the current measured by the ammeter? Each resistor is 50 ohms, and the battery is 50 volts.

• A. 0.15 amperes

• B. 0.21 amperes

• C. 0.27 amperes

• D. 0.36 amperes