As used in the definition of electric field, a "test charge": A) has zero charge B) has charge of magnitude 1 C C) has charge of magnitude 1.6 *10^-¹⁹ C D) must be an electron E) none of the above

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A test charge is a hypothetical charge with a very small magnitude used to measure the electric field without influencing it. It does not have a specific charge value or type.

As Used in the Definition of Electric Field, a "Test