NCATT AET Study 1: Basic Terms and
Definitions (a) Direct Current (DC) Terms
Exam 2026 Questions and Answers
Direct Current - Answer -Current that flows in one direction.
Electron - Answer -The negatively charged particle in an atom that orbits the
nucleus.
Proton - Answer -The positively charged particle in the nucleus of an atom.
Neutron - Answer -The neutrally charged particle in the nucleus of an atom.
Conductor - Answer -Elements that readily conduct electricity.
Static electricity - Answer -A stationary electric charge built up on an insulating
material.
Current - Answer -The flow of electrons.
Coulomb - Answer -The unit for measuring charges. 6.24x10^18 electrons.
Ampere - Answer -The unit for measuring the flow of electrons.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
Definitions (a) Direct Current (DC) Terms
Exam 2026 Questions and Answers
Direct Current - Answer -Current that flows in one direction.
Electron - Answer -The negatively charged particle in an atom that orbits the
nucleus.
Proton - Answer -The positively charged particle in the nucleus of an atom.
Neutron - Answer -The neutrally charged particle in the nucleus of an atom.
Conductor - Answer -Elements that readily conduct electricity.
Static electricity - Answer -A stationary electric charge built up on an insulating
material.
Current - Answer -The flow of electrons.
Coulomb - Answer -The unit for measuring charges. 6.24x10^18 electrons.
Ampere - Answer -The unit for measuring the flow of electrons.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1