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makvit [3.9K]
3 years ago
13

Help please thank you

Chemistry
1 answer:
Vikki [24]3 years ago
8 0

Answer:

B I think I am pretty sure

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Find the time Δt it takes the magnetic field to drop to zero. Express your answer in terms of some or all of the quantities a, B
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Δt= \frac{NB_0 \pi a^2 }{IR}

This because ε = dΦ/dt, and emf is a voltage so it can also be written as dΦ/dt = IR

Because ΔΦ= ABcosθ for each of the N loops and cosθ is just 1 here only A needs to be replaced, and it can be replaced with A=πr^2, which makes that part of the equation ΔΦ_m=N*B0*πa^2
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2 years ago
Which statement describes an example of gene therapy?
OLEGan [10]

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The correct answer is A defective gene is replaced with a normal gene.

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Gene therapy is an alternative therapy for the treatment of some diseases.

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In such therapy the following happens:

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Given this information we can say that the correct answer is A defective gene is replaced with a normal gene

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<h2>The difference between matter, mass, and volume is that:</h2>

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