What gasses are released from a battery when it is being charged?
A) Nitrogen and Oxygen B) Hydrogen
C) Hydrogen and Oxygen D) Oxygen
C
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A free electron has an initial potential energy per unit charge (voltage) of 17 kJ/C and a velocity of 93 Mm/s. Later, its potential energy per unit charge is 6 kJ/C. Determine the change in velocity of the electron.
What will be an ideal response?
By what title or rank are the heads of the four major functional components of the Incident Management System known?
A. Director B. Chief C. Manager D. OfficeR
Why do some electricians prefer to use a plunger type voltage tester?
What will be an ideal response?
What is the atomic number in the periodic table?
A) A shorthand way to refer to the element when writing chemical equations B) The number of protons found in the nucleus of an atom C) The approximate sum of the number of protons and neutrons found in the nucleus of an atom D) A measure of the amount of hydrogen ions in a solution that can react and indicate whether a substance is an acid or a base