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3 cards from this section. Quick, good the night before a test.
What is the main function of a battery?
Think about the energy sources in your devices.
What does voltage measure?
It’s like water pressure in a pipe.
What is stored in a battery?
Think about what powers your portable devices.
True or False: Lithium-ion batteries can't be recharged.
Consider how long your phone lasts on one charge.
A device requires a circuit with a current of 2 amps and a resistance of 4 ohms. Calculate the necessary voltage to power this device using Ohm's Law.
Remember the relation of Voltage with Current and Resistance.
Evaluate the pros and cons of using lithium-ion batteries over alkaline batteries in terms of environmental impact and efficiency.
Consider life cycle and usage efficiency in your assessment.
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