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3 years ago

Which of the following has only one loop for a current to flow through A) parallel B)series

Chemistry

2 answers:

brilliants [131]3 years ago

6 0

Answer: Option (B) is the correct answer.

Explanation:

A circuit where current flows only in one path is known as a series circuit.

In series circuit current passing through each load or resistor is the same whereas total voltage is the sum of voltage passing through each load or resistor.

Thus, we can conclude that series circuit has only one loop for a current to flow through it.

MrRa [10]3 years ago

4 0

B) Series, because parallel is split into two making two loops for a current to flow.

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A waste treatment pond is 50 m long and 25 m wide, and has an average depth of 2 m. The density of the waste is 75.3lbm/ft^3 .Ca

umka21 [38]

Answer:

$W = 6.65 \cdot 10^{6} lbf$

Explanation:

To find the weight (W) of the pond contents first we need to use the following equation:

$W = m\cdot g$ (1)

Where m the mass and g is the gravity

Also, we have that the mass is:

$m = \rho*V$ (2)

Where ρ is the density and V the volume

We cand calculate the volume as follows:

$V = L*w*d$ (3)

Where L is the length, w is the wide and d is the depth

By entering equation (2) and (3) into (1) we have:

$W = \rho*L*w*d*g$

$W = 75.3 lbm/ft^{3}*50 m*25 m*2 m*9.81 m/s^{2}$

$W = 75.3 lbm/ft^{3}*\frac{(1 ft)^{3}}{(0.3048 m)^{3}}*\frac{0.454 kg}{1 lbm}*50 m*25 m*2 m*9.81 m/s^{2} = 2.96 \cdot 10^{7} N}*\frac{0.2248 lbf}{1 N} = 6.65\cdot 10^{6} lbf$

Therefore, the weight of the pond is 6.65x10⁶ lbf.

I hope it helps you!

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3 years ago