3 years ago

If two 100 ohms resistors are placed in series, their total resistance is what?

Physics

1 answer:

Sindrei [870]3 years ago

3 0

Answer:

add the Resistance

2(100)= 200

2) 200 ohms

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If a trapezoidal channel has side slopes of 1:1, hydraulic depth is 5 feet, the bottom width is 8 feet, flow is 2,312 cubic feet

Evgesh-ka [11]

Answer:

$S = \dfrac{1}{2.5}$

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given,

side slope = 1 : 1

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bottom width (b)= 8 ft

x = 1

Q = 2,312 ft³/s

n = 0.013

slope of channel = ?

$R = \dfrac{A}{P}$

$R = \dfrac{y(b + xy)}{b+2y\sqrt{1+x^2}}$

$R = \dfrac{5(8+ 5)}{8+2\times 5\sqrt{1+1^2}}$

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$2312=14009.37\times S^{1/2}$

S = 0.406

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3 years ago