Electrical Measuring Instruments TPC
204 Exam Questions and Answers
100% Pass
Digital meters are named such because... - ✔✔their internal circuits carry aignals
consisting of 1s and 0s
An ADC (analog-to-digital converter) is an essential part of... - ✔✔all digital meters
Dual-slope integrators are found in certain kinds of... - ✔✔ADCs (analog-to-digital
converters)
In order to generate a display, a digital meter needs a ______ processor, and ADC
(analog-to-digital converter), and a readout control. - ✔✔signal
All integrating ADCs (analog-to-digital converters) count the time it takes to charge or
discharge a capacitor to a reference ______. - ✔✔voltage
LCDs (liquid crystal displays) make better meter displays than LEDs because of their... -
✔✔low energy requirement
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, What is usually expressed as plus or minus some percentage and expresses a meter's
maximum and minimum expected error? - ✔✔accuracy
D'Arsonval movements are used in ______ meters. - ✔✔analog
Ohm per Volt is the measurement unit used to express a meter's... - ✔✔sensitivity
A parallel leg or branch added around an analog meter movement is known as a... -
✔✔shunt
The purpose of a make-then-break switch is to... - ✔✔Protect the meter movement from
overcurrent
You will destroy an analog ammeter if you connect it in... - ✔✔parallel instead of series
To connect an ammeter to a circuit, you need to... - ✔✔open the circuit
PMMC galvanometer meter movement for dc can be converted to measure ac with the
addition of a... - ✔✔rectifier
The best way to take an ammeter reading on a live circuit is with a clamp-on ammeter
because you do not have to ______ the circuit with this type of meter. - ✔✔break into
An accurate wattmeter will always show the true power consumed, which takes into
account the power losses due to... - ✔✔the power factor
Brittie Donald, All Rights Reserved © 2025 2
204 Exam Questions and Answers
100% Pass
Digital meters are named such because... - ✔✔their internal circuits carry aignals
consisting of 1s and 0s
An ADC (analog-to-digital converter) is an essential part of... - ✔✔all digital meters
Dual-slope integrators are found in certain kinds of... - ✔✔ADCs (analog-to-digital
converters)
In order to generate a display, a digital meter needs a ______ processor, and ADC
(analog-to-digital converter), and a readout control. - ✔✔signal
All integrating ADCs (analog-to-digital converters) count the time it takes to charge or
discharge a capacitor to a reference ______. - ✔✔voltage
LCDs (liquid crystal displays) make better meter displays than LEDs because of their... -
✔✔low energy requirement
Brittie Donald, All Rights Reserved © 2025 1
, What is usually expressed as plus or minus some percentage and expresses a meter's
maximum and minimum expected error? - ✔✔accuracy
D'Arsonval movements are used in ______ meters. - ✔✔analog
Ohm per Volt is the measurement unit used to express a meter's... - ✔✔sensitivity
A parallel leg or branch added around an analog meter movement is known as a... -
✔✔shunt
The purpose of a make-then-break switch is to... - ✔✔Protect the meter movement from
overcurrent
You will destroy an analog ammeter if you connect it in... - ✔✔parallel instead of series
To connect an ammeter to a circuit, you need to... - ✔✔open the circuit
PMMC galvanometer meter movement for dc can be converted to measure ac with the
addition of a... - ✔✔rectifier
The best way to take an ammeter reading on a live circuit is with a clamp-on ammeter
because you do not have to ______ the circuit with this type of meter. - ✔✔break into
An accurate wattmeter will always show the true power consumed, which takes into
account the power losses due to... - ✔✔the power factor
Brittie Donald, All Rights Reserved © 2025 2
