1|Page
ATT EXAM LATEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED AND GRADED A+)
What is the point of probe compensation? - ANSWER-
eliminates distortion of input signal
What are four functions of frequency counter? - ANSWER-
Frequency, period, totalize, check
How is a magnetic field created? - ANSWER-current
flowing through conductor
What are inductors? - ANSWER-component with the
ability to concentrate a magnetic field (opposes changes in
DC current)
,2|Page
What happens to current when a magnetic field expands?
- ANSWER-Increases
Voltage induced in inductor is _____ to applied voltage
and _____ current - ANSWER-Opposite/opposes
What happens to induced voltage in an inductor with
constant current? - ANSWER-No voltage is induced, must
be increasing/decreasing
What happens when AC voltage is applied to inductor -
ANSWER-current is constantly changing and inductor
constantly opposes current
, 3|Page
What happens once max current is reached in inductor -
ANSWER-inductor no longer opposes current and acts
like a short
What are three types of inductors? - ANSWER-air core,
iron core, variable
What is inductance? - ANSWER-ability of a conductor to
induce voltage when "cut" by magnetic flux
What is the basic unit of inductance? - ANSWER-Henry
ATT EXAM LATEST 2025/2026 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED AND GRADED A+)
What is the point of probe compensation? - ANSWER-
eliminates distortion of input signal
What are four functions of frequency counter? - ANSWER-
Frequency, period, totalize, check
How is a magnetic field created? - ANSWER-current
flowing through conductor
What are inductors? - ANSWER-component with the
ability to concentrate a magnetic field (opposes changes in
DC current)
,2|Page
What happens to current when a magnetic field expands?
- ANSWER-Increases
Voltage induced in inductor is _____ to applied voltage
and _____ current - ANSWER-Opposite/opposes
What happens to induced voltage in an inductor with
constant current? - ANSWER-No voltage is induced, must
be increasing/decreasing
What happens when AC voltage is applied to inductor -
ANSWER-current is constantly changing and inductor
constantly opposes current
, 3|Page
What happens once max current is reached in inductor -
ANSWER-inductor no longer opposes current and acts
like a short
What are three types of inductors? - ANSWER-air core,
iron core, variable
What is inductance? - ANSWER-ability of a conductor to
induce voltage when "cut" by magnetic flux
What is the basic unit of inductance? - ANSWER-Henry
