Unit 10 Measuring Instruments

A test meter that uses a scale and pointer to indicate values is a(n) _____ meter.

• analog

• digital

What is one of the most common analog meter movements?

• d’Arsonval movement

• moving iron

• plunger

• concentric

Moving coil meter is another name for the _____ meter movement.

• d’Arsonval

• moving iron

• plunger

• concentric vane

What meter features a wire coil suspended between permanent magnet poles and operates on very tiny amounts of

current?

• galvonmeter

• digital ammeter

• voltmeter

• wattmeter

The d’Arsonval meter movement is operated by applying _____ current to the coil.

• AC

• DC

What meter is designed to be connected directly across the power source?

• voltmeter

• analog meter

• galvanometer

• ammeter

A voltmeter has a very _____ resistance connected in series with the meter movement.

• low

• high

Most voltmeters are _____ voltmeters, meaning they are designed to use one meter movement to measure several

ranges.

• full scale

• single scale

• multirange

• omnirange

A low-resistance device used to conduct most circuit current away from the meter movement is an ammeter _____.

• spike

• shunt

• resistor

• limiter

An ammeter is connected in _____ with the load to permit the load to limit current flow.

• parallel

• series