An Electric Field Is Set Up Between Two Parallel Plates

question 24

Multiple Choice

An electric field is set up between two parallel plates, each of area 2.0 m², by putting 1.0 μC charge on one plate and a -1.0 μC charge on the other. The plates are separated by 4.0 mm. What is the magnitude of the electric field between the plates at a distance of 1.0 mm from the positive plate?

• A)4.2 × 10⁴ N/C
• B)1.4 × 10⁴ N/C
• C)3.1 × 10⁴ N/C
• D)0 N/C
• E)5.6 × 10⁴ N/C

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Definitions:

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Short-term government securities with maturities of one year or less, sold at a discount to their face value.