Current and Power, Ohm's Law

A circuit has a charge of 700C and a voltage of 240V. How much energy can it provide?

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NGSS.HS-PS3-1

What amount of energy will a 150W coffee maker have consumed after 12 minutes of use?

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

A machine running for 6 minutes will use 3600C. Calculate the current intensity:

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NGSS.HS-PS3-1

Calculate the electrical power of a tool that runs on 172A and 1032V.

The toy has an element piece with 4Ω of resistance in its circuit requires a potential difference of 480V. What is the element's electrical power?

What will happen if one light bulb is removed from this circuit?

• The other bulbs will go out.
• The other bulbs will get brighter.
• The other bulbs will get dimmer.
• The battery will become stronger.

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NGSS.MS-PS3-5

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is Resistance?

• The flow of electrons

• Electric potential difference

• The ability to reduce the flow of electrons

• A battery

If you increase the voltage of a circuit, what happens?

• Current decreases
• Current increases
• Electrons disappear
• Bulbs get dimmer

What does the V stand for on the ohm's law wheel?

• current
• Voltage
• amperes
• watts

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NGSS.HS-PS2-5