ASVAB Practice Test

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Which type of battery is charged and recharged by applying an electrical current?

  1. Alkaline

  2. Lead-acid

  3. Nickel-metal hydride

  4. Zinc-carbon

The correct answer is: Alkaline

An alkaline battery is charged and recharged by applying an electrical current. This is because alkaline batteries are rechargeable and they consist of two electrodes, a cathode and an anode, separated by an alkaline electrolyte. When the battery is connected to a power source, electrons flow from the cathode to the anode, creating a flow of electrical current that charges the battery. The other options are incorrect because they are not rechargeable batteries. Lead-acid batteries are commonly used in cars and are not designed to be recharged. Nickel-metal hydride and zinc-carbon batteries are both single-use batteries and cannot be recharged with an electrical current.

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