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AURORKA [14]
3 years ago
10

What is acid mine drainage

Engineering
1 answer:
avanturin [10]3 years ago
7 0
Acid mine drainage is the formation and movement of highly acidic water rich in heavy metals. This acidic water forms through the chemical reaction of surface water (rainwater, snowmelt, pond water) and shallow subsurface water with rocks that contain sulfur-bearing minerals, resulting in sulfuric acid.
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All Brake lights are dimmer than normal because high resistance in the brake switch could be the cause according to Technician B.

Explanation:

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When the bulb is faulty then no current will flow through bulb and it will be open circuit.So no light will produce in bulb .

According to Technician B

When a high resistance inserted in series  circuit the voltage across each resistance is reduced and this cause the light glow dimly.

Formula of resistance in series circuit

Rt=r1+r2+r3......

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