NEIEP 300 NEWEST UPGRADED EXAM WITH CORRECT ANSWERS

NEIEP 300 NEWEST UPGRADED EXAM WITH CORRECT ANSWERS Name the unit used in measuring the potential difference across two points in a circuit - Volt What is the unit to measure opposite to current flow - Ohms What happens to resistance in a wire, if its width is increased four times - Resistance is 1/4 What does the designation DPDTNO switch represent - Double-pole, Double Throw, Normally Open switch _____ refer to the moveable contacts on a switch - Poles Contact wear is always _______ on DC switches than AC switches - greater How should ammeters be used to take measurements in a circuit - Connected in series with the circuit What will happen to the current in a circuit if the resistance is doubled - Current will be halved How do you measure voltage in a circuit - Meter must be parallel with volt being measured What is the outermost shell of an atom called - Valence shell The Nucleus of an atom contains what - Neutrons and protons Whats the E symbol represent in ohms law - Voltage What happens to the total resistance in a wire if the length is doubled - Resistance is doubled If an atom has only one electron in its valence shell _______? - Atom will act as a good conductor