Internal Resistance of a Battery Lab Quiz

What components are necessary for the circuit setup in the lab?

• A battery, a resistor, and two voltmeters

• Two batteries, a resistor, and a voltmeter

• A battery, a resistor, an ammeter, and a voltmeter

• A battery, two resistors, and an ammeter

What is the range of values you can set for the internal resistance of the battery?

• 1 to 5 ohms

• 10 to 20 ohms

• 1 to 10 ohms

• 5 to 15 ohms

What is the difference between EMF and terminal voltage?

• Terminal voltage is always higher than EMF.

• EMF is always higher than terminal voltage.

• EMF is the total voltage of the battery, while terminal voltage is the voltage across the battery terminals.

• EMF is the voltage across the battery terminals, while terminal voltage is the total voltage of the battery.

What is the purpose of changing the external resistance in the lab?

• To decrease the terminal voltage

• To measure the internal resistance of the battery

• To observe changes in current and terminal voltage

• To increase the EMF of the battery

How do you record the current and terminal voltage for different external resistances?

• By using a voltmeter and an ammeter

• By using a resistor and a voltmeter

• By using an ammeter only

• By using a voltmeter only

What type of graph is used to analyze the relationship between current and terminal voltage?

• A line graph

• An XY scatter plot

• A pie chart

• A bar graph

What does the slope of the graph represent in the context of the battery lab?

• The internal resistance of the battery

• The EMF of the battery

• The total resistance of the circuit

• The external resistance of the circuit

What does the y-intercept of the graph indicate?

• The EMF of the battery

• The external resistance of the circuit

• The internal resistance of the battery

• The total resistance of the circuit

How can you use the graph to determine the battery settings?

• By measuring the slope and y-intercept

• By measuring the x-intercept

• By measuring the distance between points

• By measuring the area under the curve

What is the final task in the lab after analyzing the graph?

• To decrease the external resistance

• To change the internal resistance

• To verify the predicted battery settings

• To increase the EMF