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12 Questions

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Electricity Basics: Static and Current

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Questions and Answers

What happens to the current in a simple circuit when the resistance is increased while the potential difference is kept constant?

The current increases

The current oscillates

The current remains the same

The current decreases (correct)

In a simple series circuit, how do adding more identical loads affect the total resistance?

Total resistance remains the same

Total resistance decreases

Total resistance increases (correct)

Total resistance becomes negative

When a voltmeter is connected in parallel in an electrical circuit, what is it measuring?

Power

Voltage (correct)

Electric current

Resistance

What is the relationship between electric current, potential difference, and resistance in a simple circuit according to Ohm's Law?

$V = IR$ Signup and view all the answers

What happens to the power consumed by a resistor in a circuit when the current passing through it is doubled?

Power quadruples Signup and view all the answers

In a parallel circuit, how does the addition of more identical loads affect the total current flowing from the source?

Total current increases Signup and view all the answers

What is the big idea related to static electricity?

The transfer of charged particles from one body to another Signup and view all the answers

Which content learning objective involves the law of conservation of charge?

I can state and apply the law of conservation of charge Signup and view all the answers

What is the purpose of a grounding wire in a technological device that uses static electricity?

To prevent the buildup of excess charge Signup and view all the answers

How does electric current differ from static electricity?

Static electricity is the interaction between charged and uncharged objects, while electric current is the movement of charged particles. Signup and view all the answers

Which skill involves conducting investigations into the transfer of static electric charges?

I can conduct investigations into the transfer of static electric charges by friction, contact, and induction, and produce labelled diagrams to explain the results Signup and view all the answers

What does resistance refer to in an electrical context?

The opposition to the flow of electric current in a circuit Signup and view all the answers