Canadian Basic pool, section 5-13

Basic

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Subelement 5

Basic Electronics and Theory

Section 5-13

introduction to meters and measurements

5-13-01

How is a voltmeter usually connected to a circuit under test?

A.
In series with the circuit
B.
In quadrature with the circuit
C.
In phase with the circuit
Correct Answer
D.
In parallel with the circuit

5-13-01

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5-13-02

How is an ammeter usually connected to a circuit under test?

A.
In quadrature with the circuit
Correct Answer
B.
In series with the circuit
C.
In phase with the circuit
D.
In parallel with the circuit

5-13-02

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5-13-03

What does a multimeter measure?

A.
Resistance, capacitance and inductance
Correct Answer
B.
Voltage, current and resistance
C.
Resistance and reactance
D.
SWR and power

5-13-03

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5-13-04

The correct instrument to measure plate current or collector current of a transmitter is:

A.
an ohmmeter
B.
a wattmeter
Correct Answer
C.
an ammeter
D.
a voltmeter

5-13-04

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5-13-05

Which of the following meters would you use to measure the power supply current drawn by a small hand-held transistorized receiver?

Correct Answer
A.
a DC ammeter
B.
an RF ammeter
C.
an RF power meter
D.
an electrostatic voltmeter

5-13-05

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5-13-06

When measuring current drawn from a DC power supply, it is true to say that the meter will act in circuit as:

A.
a perfect conductor
Correct Answer
B.
a low value resistance
C.
an extra current drain
D.
an insulator

5-13-06

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5-13-07

When measuring the current drawn by a receiver from a power supply, the current meter should be placed:

A.
in series with both receiver power leads
Correct Answer
B.
in series with one of the receiver power leads
C.
in parallel with both receiver power supply leads
D.
in parallel with one of the receiver power leads

5-13-07

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5-13-08

Potential difference is measured by means of:

A.
a wattmeter
B.
an ohmmeter
Correct Answer
C.
a voltmeter
D.
an ammeter

5-13-08

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5-13-09

Voltage drop means:

A.
the voltage which is dissipated before useful work is accomplished
B.
difference in voltage at output terminals of a transformer
Correct Answer
C.
voltage between the terminals of a component
D.
any point in a radio circuit which has zero voltage

5-13-09

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5-13-10

The instrument used for measuring the flow of electrical current is the:

A.
faradmeter
B.
wattmeter
Correct Answer
C.
ammeter
D.
voltmeter

5-13-10

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5-13-11

In measuring volts and amperes, the connections should be made with:

A.
the voltmeter in series and ammeter in parallel
Correct Answer
B.
the voltmeter in parallel and ammeter in series
C.
both voltmeter and ammeter in series
D.
both voltmeter and ammeter in parallel

5-13-11

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