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PhysicsQ&A LibraryA watchman's flashlight requires 5 alkaline D batteries in series to operate. Each alkaline battery provides 1.5 V of voltage. If he switches to a flashlight that uses rechargeable nickel-metal-hydride batteries(that each provide 1.25 V of voltage), how many NiMH D cells will be required to power the same flashlight bulb?Start your trial now! First week only $4.99!*arrow_forward*

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A watchman's flashlight requires 5 alkaline D batteries in series to operate. Each alkaline battery provides 1.5 V of voltage. If he switches to a flashlight that uses rechargeable nickel-metal-hydride batteries(that each provide 1.25 V of voltage), how many NiMH D cells will be required to power the same flashlight bulb?

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