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abruzzese [7]
2 years ago
15

A bolt of lightning discharges 9.7 C in 8.9 x 10^-5 s. What is the average current during the discharge?

Physics
1 answer:
Anastaziya [24]2 years ago
3 0

Answer: 1.089\times 10^5\ A

Explanation:

Given

Charge discharged Q=9.7\C

time taken t=8.9\times 10^{-5}\ s

Current is given as rate of change of discharge i.e.

\Rightarrow I=\dfrac{Q}{t}\\\\\Rightarrow I=\dfrac{9.7}{8.9\times 10^{-5}}\\\\\Rightarrow I=1.089\times 10^5\ A

Therefore, the average current is 1.089\times 10^5\ A

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Answer:

Q = \frac{0.068}{E}

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Explanation:

As we know that plastic ball is suspended by a string which makes 30 degree angle with the vertical

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since string makes 30 degree angle with the vertical so we will have

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Q = \frac{0.012\times 9.81}{E} tan30

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