Circuits (Part 4)

Ohm’s law __________.

• states that the resistance in a circuit is equal to the voltage multiplied by the current

• states that current in a circuit is equal to the voltage plus the resistance

• states that resistance in a circuit is equal to the voltage divided by the current

• states the current in a circuit is equal to the voltage multiplied by the resistance

A series circuit is __________.

• a type of circuit where there are no resistors in the circuit

• a type of circuit where there are multiple energy sources

• a type of circuit where electric charges can follow multiple paths

• a type of circuit where electric charges follow one path

A parallel circuit is __________.

• a type of circuit that is paired with another circuit

• a type of circuit where there are multiple energy sources

• a type of circuit where there are multiple loads and other resistors

• a type of circuit where electric charges can follow multiple paths

​ (a)   states that resistance in a circuit is equal to the voltage divided by the current.

• Ohm’s law
• Kirchhoff's principle
• Faraday's law
• Ampere's circuital law

There are ​ (a)   types of circuits: series circuits and parallel circuits.

A ​ (b)   circuit is a type of circuit where electric charges follow one path.

A ​ (c)   circuit is a type of circuit where electric charges can follow multiple paths.

• series
• parallel
• two

If you cut the voltage in a circuit in half but keep the resistance constant, how would the current in the circuit be affected?

• The current will increase by 50 percent.

• The current will be cut in half.

• The current will decrease by 25 percent.

• The current will double.

Tags

NGSS.MS-PS2-3

Calculate the resistance of a circuit with a voltage of 12 volts and a current equal to 3 amps.

• 4 ohms
• 2 ohms
• 6 ohms
• 8 ohms

Which light bulbs will turn on in this circuit?

Select all that are true.

• A

• B

• C

In order for electricity to power a light bulb, there must be a path for ​ (a)   to flow. There is no path for electrons to flow for the light bulb ​ (b)   away from the battery, so this ​ (c)   would not be turned on.

• electrons
• farthest
• light bulb

Which of the following is an equation for Ohm’s law?

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• 
• 
•