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MMLU-Pro / 10001 / The drum of a photocopying machine has a length of 42 mathrm{~cm} and a…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

The drum of a photocopying machine has a length of $42 \mathrm{~cm}$ and a diameter of $12 \mathrm{~cm}$. The electric field just above the drum's surface is $2.3 \times 10^5 \mathrm{~N} / \mathrm{C}$. What is the total charge on the drum?
Plain-text mathematical notation (without MathML)
The drum of a photocopying machine has a length of $42 \mathrm{~cm}$ and a diameter of $12 \mathrm{~cm}$. The electric field just above the drum's surface is $2.3 \times 10^5 \mathrm{~N} / \mathrm{C}$. What is the total charge on the drum? 
Original LaTeX notation
The drum of a photocopying machine has a length of $42 \mathrm{~cm}$ and a diameter of $12 \mathrm{~cm}$. The electric field just above the drum's surface is $2.3 \times 10^5 \mathrm{~N} / \mathrm{C}$. What is the total charge on the drum? 

category

physics

options

  1. $0.75 \mu C$
  2. $0.41 \mu C$
  3. $0.47$$\mu C$
  4. $0.50 \mu C$
  5. $0.87 \mu C$
  6. $0.32$$\mu C$
  7. $0.19$$\mu C$
  8. $0.26 \mu C$
  9. $0.58$$\mu C$
  10. $0.65 \mu C$

src

scibench-fund

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