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Setler79 [48]
3 years ago
13

What is the result of (6.2 × 10 4) x (3.3 × 10 2) expressed in scientific notation?

Physics
1 answer:
Serjik [45]3 years ago
8 0
In scientific notation there are some rules;
1) the decimal point is comes to the first non-zero degit.
2) if the decimal point comes from left to right the power of ten must be         negative.
3) if the decimal point comes from right to left then the power of 10 is possitive.
            the numberyou wrote is an scientific form.you must say that expressed in standard form.write brother.
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Answer:

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Resistance of the coil, R = 1.5 ohms

We need to find the magnitude of the induced current in the coil. The induced emf is given by :

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\epsilon=-NA\dfrac{dB}{dt}

\epsilon=-78\times \pi (0.34)^2\dfrac{(0.4-2.4)}{2}

\epsilon=28.32\ V

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Induced current, I=\dfrac{\epsilon}{R}

I=\dfrac{28.32}{1.5}

I = 18.88 A

So, the magnitude of the induced current in the coil is 18.88 A. Hence, this is the required solution.

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