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Over [174]
3 years ago
15

_SeC16+_O2>_SeO2+_C12

Physics
1 answer:
juin [17]3 years ago
7 0

Answer:

SeC14

Explanation:

sec14>C12-O

but since you can't subtract o from c , you get this

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A generator produces 60 A of current at 120 V. The voltage is usually stepped up to 4500 V by a transformer and transmitted thro
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Answer:

The percentage power lost in the transmission line if the voltage not stepped up is 50%.

Explanation:

Given that,

Current = 60 A

Voltage = 120 V

Resistance = 1.0 ohm

We need to calculate the power

Using formula of power

P=I\times V

Where,I =current

V = voltage

Put the value into the formula

P=60\times120

P=7200\ W

We need to calculate the percentage power lost in the transmission line

If the voltage is not stepped up

Then, the power loss

P'=I^2\times R

Put the value into the formula

P'=(60)^2\times1

P'=3600\ W

The percentage power loss P''

P''=\dfrac{P'}{P}\times100=\dfrac{3600}{7200}\times100

P''=50\%

Hence, The percentage power lost in the transmission line if the voltage not stepped up is 50%.

5 0
2 years ago
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knowledge of first aid ... eg St John Ambulance, Red Cross etc. I think that everyone in a school should be taught First Aid.

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3 years ago
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What is the numeric value of a mole for atoms or molecules?
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Answer:

6.02×10²³

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Which is the correct order to use in writing the name of an ionic compound?
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Explanation:

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