Physics · Electrochemical Cells
Which type of secondary battery is most commonly used for backup power supply and control operations in electrical power substations due to its high reliability and cost-effectiveness?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Aluminum-iron battery
- 2Lead-acid battery✓
- 3Zinc-carbon battery
- 4Nickel-cadmium battery
Correct answer
Lead-acid battery
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