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The measure of current

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How did your experiment contribute to your understanding of resistance?

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Can you see what the equation R = V / I tells you about Resistance?

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How did you use your knowledge of electricity to create your project?

What did you learn through the process?

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What is a parallel circuit?

How does current behave in a parallel circuit?

How does voltage remain constant in a parallel circuit?

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How does the flow of water in a pipe relate to the flow of charge in a circuit?

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What is a series circuit?

How does current behave in a series circuit (constant)?

How is voltage divided in a series circuit?

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How does voltage affect the amount of work electricity can do? *Remember work is a way of saying how much energy can be used to do somerthing.

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How can we use the Hill & Well analogy to understand the behavior of charged objects?

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How does understanding charge help explain static electricity?

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What is resistance?

Resistance is what restricts the flow of charge/current.

How does it affect current flow?

Resistance restricts the flow of charge/current.

By resisting the current, the current will diminish with the resistance increasing. Since the current can only increase if it continuously flows, if the flow is brought to a hold it cannot increase.

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How does the behaviour of current and voltage differ between series and parallel circuits?

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What is current?

Current is the flow of charge.

How does it relate to moving charge?

Moving charge can be referred to as flowing charge.

What does the equation Q = I x R t tell you?

This is Ohms law, and is what links Voltage, Current, and Resistance.

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How can we predict the behavior of current and voltage in series circuits using equations and the analogy?

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What is voltage?

Equation: Voltage = The difference in the electric potential per unit charge (Columbus)

How does it relate to the potential difference between two points in a field?

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What is an electric field?

An electric field is a space surrounding a charged particle in which a force can be excerpted on an object in that space.

How does it relate to charge?

The charge of a particle affects the electric field, because the field lines the particle(s) creates influences what impact it would have on a hypothetical object in that space.

For example, placing a positive charged particle in a space will repel objects unless they have an opposite charge (e.g a negatively charged particle). If so, they will attract.

What is the "hill and water reservoir" analogy?

This analogy is used to support a better understand of how voltage, current, and the concepts of negative and positive voltage within electrical circuits.

The analogy goes as following:

Imagine a water system with reservoirs at different heights on a hill:

Here, the hill represents potential difference in voltage

Water Tower (Positive Voltage)

A water tower at the top of the hill represents a positive voltage source.

Water in this elevated reservoir has potential energy due to its height.

This explains how the higher the water the faster it it flows, representing how a higher voltage means a higher current in a curcuit.

Ground Level (Reference Point)

The ground level represents the zero voltage reference point, analogous to electrical ground.

Water from the top of the hill flows into the bottom, representing how a capacitor fills with electricity.

When the water empties to the underground reservoir, it represents discharging a capacitor.

Underground Reservoir (Negative Voltage)

An underground reservoir below ground level represents a negative voltage source.

The heights of the water (whether zero or some) in either reservoir represent stored potential energy.

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How does understanding charge help explain static electricity?

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Electricity is the flow of electrons/charge.

Kilowatts is the measure of electricity.

In order for electricity to flow, a full circuit must be made.

Conductivity is the ability for electricity to flow.

Electricity can be made sustainably or sustainably.

Also it can be made renewable, meaning the source can continue to produce energy/electricity indefinitely.

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Positive charge creates fields lines which point outward.

Negative charge creates field lines which point inward.

A positive and negative charge will attract due to to their opposing field line direction.

A proton has a very high voltage, approximately 1239 V.

An electron has a very low voltage opposite to a proton, approximately -1237.

The further away you move from a positive charge, the weaker the voltage.

The further away you move from a negative charge, the higher the voltage.

When moving from a positive to negative charge at a specific distance, the midpoint of that distance will be zero.

Moving closer to the positive charge has a higher voltage, and moving closer to the negative charge will have a weaker voltage.

If you compare two opposite points, equal distance from the midpoint, the voltages will be exactly opposite (eg. 1.5 on the positive end, and -1.5 on the negative end).