Item Voltage (V) Current (A) light bulb 9V 0.9A penny 0.40V 3900A pencil 9V 0.03
ID: 1266807 • Letter: I
Question
Item
Voltage (V)
Current (A)
light bulb
9V
0.9A
penny
0.40V
3900A
pencil
9V
0.03A
Again, place a battery and a resistor in the main simulation window, without connecting them. Select the button for the voltmeter. Once you select it, a voltmeter will show up in the main window. Place the black terminal of the voltmeter on the right contact point of the battery and the red one on the left contact point of the battery. Measuring the voltage of the battery is 9V.
What does voltage mean for you?
How would you explain voltage to others?
Item
Voltage (V)
Current (A)
light bulb
9V
0.9A
penny
0.40V
3900A
pencil
9V
0.03A
Explanation / Answer
Voltage is the energy stored in an electrical device, like a battery, that can do useful work when connected to a circuit allowing the voltage to do something.
You can explain voltage as potential energy. Like a compressed spring that when you release it it jumps. When you release voltage from a battery it will power something, like jump starting a car.
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