Explain how a battery in a circuit is similar to a water pump.

1 answer:

5 0

<span>A battery creates a potential difference, or voltage, which is really just storing electrical potential energy just as a pump would by moving water up against gravity, thereby storing gravitational potential energy. To complete the analogy, as current flows through the circuit, this potential energy is released and can be used by the components in the circuit. This is the same as water falling back down and turning some wheel or turbine and converting its gravitational potential energy into mechanical energy.</span>

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It is true that a physical change occurs when a material changes shape or size, but the composition of the material does not change. The correct answer is True.

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Pumping of groundwater in California most effectively: Select one:

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Answer:

Explanation:

Ans- A, causes sediments in aquifers that are emptied to compact and the ground above it to sink.

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A metal block suspended from a spring balance is submerged in water. You observe that the block displaces 55 cm3 of water and th

DiKsa [7]

Answer:

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Explanation:

Volume of water displaced = 55 cm^3 = 55 x 10^-6 m^3

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According to the Archimedes principle, when a body is immersed n a liquid partly or wholly, then there is a loss in the weight of body which is called upthrust or buoyant force. this buoyant force is equal to the weight of liquid displaced by the body.

Buoyant force = weight of the water displaced by the block

Buoyant force = Volume of water displaced x density of water x g

= 55 x 10^-6 x 1000 x .8 = 0.539 N

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m g = 4.3 + 0.539 = 4.839

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Density of block = 8977.7 kg/m^3

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3 years ago