Can we change the format of a field (e. g. number to dollars). 1always. 2no, we can never change the format. 3usually, but we may need to convert the data types (date to text) 4we need to copy the value to another field first.

Two students are discussing the flow of electricity. student a says that voltage is a measure of the amount of electron flow in a circuit. student b says that power is the product of voltage and current. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct