DigE Ch04 Basic Instruments and Measurements

Front

True or False? A VOM can be used to read voltage, resistance, and current.

Back

True

Front

A(n) _____ is used to measure electrical pressure in a circuit.

Back

voltmeter

Front

A meter movement coil has a resistance of 50 ohms and a full-scale deflection is achieved by 0.001 A. The total applied voltage to achieve full-scale deflection is _____.

Back

50 \Omega

Front

The meter in the previous question could double its range as a voltmeter by adding a _____ resistor in series with the coil.

Back

50 \Omega

Front

An electrical drawing that indicates how components are grouped together to form stages is called a _____ diagram.

Back

block

Front

A(n) _____ is used to measure the volume of electrons flowing through a circuit.

Back

ammeter

Front

What is the function of a voltmeter in a circuit?

Back

To measure the electrical potential difference (voltage) between two points.

Front

What does an ammeter measure?

Back

The current flowing through a circuit.

Front

Define a schematic diagram.

Back

A representation of the elements of a system using abstract, graphic symbols.

Front

What is the purpose of a wattmeter?

Back

To measure the electrical power in watts.