What changes in the magnitude and the direction of the electric field would we witness if there is an increase in the voltage difference between the electrodes? a. The magnitude would increase only in the second investigation, but the direction would stay the same in both investigations b. The magnitude would stay the same in both investigations but the direction would change c. The magnitude would increase in both investigations but the direction would stay the same d. The magnitude would increase only in the first investigation, but the direction would stay the same in both investigations

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