The value of electric field is 2.247 V/m. Yes, the observed value and calculated values of electric field match.
The electric field will be calculated using the formula -
E = kq/r². In this formula, E stands for electric field, k represents constant of proportionality, q is the charge of electron and r is the distance. As per the known fact, the value of k is 8.89×10⁹ N m²/C² and value of q is 1.6×[tex] {10}^{ - 19} [/tex] C.
Keep the values in formula for calculation of electric field.
E = (8.89×10⁹ × 1.6×[tex] {10}^{ - 19} [/tex])/2²
Taking square in denominator
E = (8.89×10⁹ × 1.6×[tex] {10}^{ - 19} [/tex])/4
Performing multiplication and division
E = 2.247 V/m
Thus, the observed and calculated electric field is 2.247 V/m, which is equal in both the cases.
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