HOLT Electricians Practice Exam

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How many volts are typically found in an alkaline battery cell?

1.2 volts
2.0 volts
1.5 volts
3.0 volts

The correct answer is: 1.2 volts

The voltage typically found in an alkaline battery cell is 1.5 volts. Alkaline batteries are widely used in various consumer electronics, such as remote controls, toys, and flashlights, because of their reliability and efficiency. The chemistry of an alkaline battery allows it to provide a nominal voltage of 1.5 volts per cell when fully charged. In practical applications, this voltage is sufficient to operate many devices effectively. While rechargeable batteries, like NiMH or NiCd, typically have a voltage of around 1.2 volts, alkaline cells maintain a higher voltage throughout their discharge cycle, which can affect the performance of devices designed to use standard alkaline batteries. Understanding the voltage characteristics of different battery types is essential for selecting the appropriate power source for electronic devices.