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VashaNatasha [74]
3 years ago
13

Someone please help me!! See PDF to help

Physics
2 answers:
vaieri [72.5K]3 years ago
8 0

Explanation:

They are invisible is the answer.

Mama L [17]3 years ago
5 0

Answer:

They are invisible!

Explanation:

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In order to induce electrical energy into a conductor or generator, what three factors must be present?
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3 years ago
A particular electric car is supplied with 300 kJ of chemical energy by the battery. Of this, a total of 70.5 kJ of energy is wa
Lorico [155]

Supplied energy=300kJ

  • Wasted energy=70.5J

Used energy:-

\\ \sf\longmapsto 300-70.5=229.5kJ

We know

\boxed{\sf Efficiency=\dfrac{Used\:Energy}{Supplied\:Energy}\times 100}

\\ \sf\longmapsto Efficiency=\dfrac{229.5}{300}\times 100

\\ \sf\longmapsto Efficiency=\dfrac{229.5}{3}

\\ \sf\longmapsto Efficiency=76.5\%

3 0
2 years ago
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