Respuesta :
The charge with magnitude and sign is -2.6 x 10⁻⁷ C.
What is electric field?
The field developed when a charge is moved. In this field, a charge experiences an electrostatic force of attraction or repulsion depending on the nature of charge.
Given, the electric field 1.22 m from charge is 1570 N/C, pointing
toward the charge.
The electric field and charge is related as
E = kq/r²
q = Er²/k
where k = 9 x 10⁹ N.m²/C²
Substitute the given values in the question, we have
q = 1570 x (1.22)² / 9 x 10⁹
q= 2.6 x 10⁻⁷ C.
Thus, the magnitude and sign of charge is -2.6 x 10⁻⁷ C.
Learn more about electric field.
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