Series, Parallel, and Power

Consider a circuit with a voltage source of 100.0 V and the following resistors in series: 2 ohms, 5 ohms, 10 ohm, and 15 ohms

What is the power in the circuit? Show your calculations equations.

• 250 W
• 400 W
• 150 W
• 312.5 W

Tags

NGSS.HS-PS3-3

In a circuit with a 180 V voltage source and resistors of 3 ohms, 6 ohms, and 9 ohms in series, what is the total current flowing through the circuit? Show your calculations equations.

• 3 A

• 1 0A

• 2 A

• 4 A

A circuit consists of a 200 V voltage source and three resistors in series: 4 ohms, 8 ohms, and 12 ohms. Calculate the total resistance in the circuit.

• 30 ohms

• 18 ohms

• 20 ohms

• 24 ohms

What is the power of a 20V bulb with 5A through it?

• 100W
• 100V
• 6.3W
• 6.3A

1. A circuit has a voltage source of 25 V and the following resistors in parallel: 10 (first resistor), 15 (second resistor), and 18 (third resistor). What is the potential difference across the second resistor?

• 25 V

• 37 V

• 15 V

• 18 V

What is the power of a 3V light bulb with 20 A running through it?

• 0.15W
• 6W
• 60W
• 6.67W

The most basic circuit includes...

• battery, wire, switch

• resistor, wire, electric device

• voltage, wire, electric device

• capacitor, wire, motor

Flow of electrons can be measured using

• voltage

• current

• resistance

• wire

Tags

NGSS.HS-PS2-5

Some circuits have parallel plates called ___ that can store energy.

• voltmeter

• ammeter

• capacitors

• switch

Use this to measure current

• voltmeter

• ammeter

• conductive wire

• capacitors