Electricity and Ohm's Law

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Physics

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9th Grade

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g Custer

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3 Slides • 7 Questions

Electricity and Ohm's Law

Visualizing Current

The negative terminal of a battery has tons of electrons.
When forced, they leave, complete the circuit, and return to the positive terminal.
Resistors slow them down.

V = Voltage / I = Current / R = Resistance

Multiple Choice

The plastic covering is there to:

Provide a conductor for electrical energy to flow.

Provide an insulator so that electrical energy will not pass outside of the wires.

Provide a conductor so that electrical energy can NOT flow.

Provide an insulator so that electrical energy can flow.

Multiple Choice

Electricity that flows in a closed path is called a

battery

current

circuit

resistor

Multiple Choice

What is Resistance?

The flow of electrons

Electric potential difference

A power source

The ability to reduce the flow of electrons

Multiple Choice

The mathematical relationship among Voltage, Current, and Resistance

Faraday's Law

Tesla's Law

Edison's Law

Ohm's Law

Multiple Choice

Current times Resistance (I X R) equals

Power

Voltage

Amperage

Ohm

Multiple Choice

Voltage divided by Resistance (V / R) equals

Current

Power

Ohms

Watts

Multiple Choice

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

25 V

10 V

2.5 V

0.4 V

Electricity and Ohm's Law

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