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slavikrds [6]
3 years ago
8

Please help me with this question​

Engineering
1 answer:
kap26 [50]3 years ago
3 0

Answer:

The current through each lamp is 0.273 Amperes

Power dissipated in each lamp is 0.082W

Explanation:

Battery v = 1.5 V

Each lamp has resistance, r = 1.1 Ohms

The 5 lamps in series will therefore have total resistance, R = 5 * 1.1 = 5.5 Ohms

The current through each lamp, I = v/R = 1.5 / 5.5 = 0.273 Amperes

Power dissipated in each lamp = I² * r = 0.273² * 1.1 = 0.082W

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Explanation:

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Out of the options given in the question, an example of a new and emerging job in the green economy is option D "Fergie is a consultant specializing in deriving commercial power from waves and tides".

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The correct answer is; Stability and reactivity.

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A lake is fed by a polluted stream and a sewage outfall. The stream and sewage wastes have a decay rate coefficient (k) of 0.5/d
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Solution :

Given :

k = 0.5 per day

$C_s = 10 \ mg/L \ ; \ \ Q_s= 40 \ m^3/s$

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Volume, V $= 200 \ m^3$

Now, input rate = output rate + KCV ------------- (1)

Input rate  $= Q_s C_s + Q_{sw}C_{sw}$

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The output rate $= Q_m C_{m}$

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Substituting all values in (1)

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