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Artyom0805 [142]
3 years ago
9

CN you help me with this question?

Physics
1 answer:
nata0808 [166]3 years ago
5 0
That period of time is called the "half-life" of that particular isotope,
because that's how long it takes for ONE-HALF of it to decay and
turn into some other substance.

So, however much you start out with, you can expect that after one
half-life of time has passed, half of the total amount (50%) has decayed
and turned into other substances, and the other half (50%) remains.
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Answer:

I = (1.80 × 10⁻¹⁰) A

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From Biot Savart's law, the magnetic field formula is given as

B = (μ₀I)/(2πr)

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μ₀ = magnetic constant = (4π × 10⁻⁷) H/m

r = 3.6 cm = 0.036 m

(1.0 × 10⁻¹⁵) = (4π × 10⁻⁷ × I)/(2π × 0.036)

4π × 10⁻⁷ × I = 1.0 × 10⁻¹⁵ × 2π × 0.036

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