Current, Voltage and Resistance, Part 2 (13 pts)

Your name - first and last

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Learning Goals:

As you change the value of the battery voltage, how does this change the current through the circuit and the resistance of the resistor?

If the current or resistance remains constant, why do you think?

As you change the value of the resistance of the resistor, how does this change the current through the circuit and the battery voltage? If the current or voltage remains constant, why do you think?

Use understanding to make predictions about a circuit with lights and batteries.

Did you complete Part 1?

• Yes

• No

O/E Question:

Explore to develop your own ideas about how resistance, current, and battery voltage are related. Write a brief summary below.

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M/C Question:

What happens to the current when the voltage is increased in the circuit?

• The current decreases.

• The current increases.

• The current stays the same.

M/C Question:

What happens to the current when the resistance is increased while keeping the voltage constant?

• The current decreases.

• The current stays the same.

• The resistance stops affecting the current.

M/C Question:

What happens to the current when the resistance is decreased and the voltage is kept constant?

• The current decreases.

• The current stays the same.

• The current increases.

M/C Question:

What happens to the current if both the voltage is increased and the resistance is decreased?

• The current stays the same.

• The current decreases.

• The current increases.

M/C Question:

What is the current when the voltage is set to 5 V and the resistance is 10 ohms?

• 5A

• 2A

• 50A

• .5 A

What is the resistance of a wire if the voltage is 1000 V and the resistance is current is 500 amps.

• 50,000 Ohms

• 2 Ohms

• 15 Ohms

• 50 Ohms

O/E Question:

If the voltage is doubled while keeping the resistance constant, what will happen to the current?

Explain using Ohm's Law.

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