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If a incandescent lamp is connected to a 12-v lantern battery if the current flow is 8.5mA how much?
Wiki User
∙ 13y ago
How much what? Power? 102mW (0.102W). How much light? A filament bulb produces 1 to 3 percent of the power input as light if the proper voltage is applied. If the lamp is rated for a higher voltage, it won't get hot enough and the light out will be a lot less.
Wiki User
∙ 13y ago
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