2 years ago

The equivalent resistance of a series combination of resistors is always greater than any individual resistance

Physics

1 answer:

Likurg_2 [28]2 years ago

8 0

Answer:

true

Explanation:

Series resistors are additive

r1 + r2 + r3 = r total the total will always be greater than any one of the parts

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Answer:

true

Explanation:

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Answer:

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2 years ago

In a mixture what happens when the ingredients intermingled

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3 years ago

How high would you have to lift a 1000kg car to give it a potential energy of:

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Given parameters:

Mass of the car = 1000kg

Unknown:

Height = ?

To find the heights for the different amount potential energy given, we need to understand what potential energy is.

Potential energy is the energy at rest due to the position of a body.

It is mathematically expressed as:

P.E = mgh

m is the mass

g is the acceleration due to gravity = 9.8m/s²

h is the height of the car

Now the unknown is h, height and we make it the subject of the expression to make for easy calculation.

h = $\frac{P.E }{mg}$

For 2.0 x 10³ J;

h = $\frac{2000}{1000 x 9.8}$ = 0.204m

For 2.0 x 10⁵ J;

h = $\frac{200000}{9.8 x 1000}$ = 20.4m

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h = $\frac{1000}{9.8 x 1000}$ = 0.102m

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3 years ago