You would capitalize the word technology if it were: a. part of a quotation. b. central to a text. c. part of a course title. d. part of an exam question.

C: part of a course title.

Explanation: The word technology is a common noun, which are only ever capitalized if they are the first word of a sentence, in a title, or part of a proper noun's name.

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).