Exam Primer

# 5.13 Meters and Measurements

## Practice

B-005-13-01
How is a voltmeter usually connected to a circuit under test?
In series with the circuit
In phase with the circuit
In parallel with the circuit

B-005-13-02
How is an ammeter usually connected to a circuit under test?
In series with the circuit
In phase with the circuit
In parallel with the circuit

B-005-13-03
What does a multimeter measure?
Resistance, capacitance and inductance
Voltage, current and resistance
Resistance and reactance
SWR and power

B-005-13-04
The correct instrument to measure plate current or collector current of a transmitter is:
an ohmmeter
a wattmeter
an ammeter
a voltmeter

B-005-13-05
Which of the following meters would you use to measure the power supply current drawn by a small hand-held transistorized receiver?
a DC ammeter
an RF ammeter
an RF power meter
an electrostatic voltmeter

B-005-13-06
When measuring current drawn from a DC power supply, it is true to say that the meter will act in circuit as:
a perfect conductor
a low value resistance
an extra current drain
an insulator

B-005-13-07
When measuring the current drawn by a receiver from a power supply, the current meter should be placed:

B-005-13-08
Potential difference is measured by means of:
a wattmeter
an ohmmeter
a voltmeter
an ammeter

B-005-13-09
Voltage drop means:
the voltage which is dissipated before useful work is accomplished
difference in voltage at output terminals of a transformer
voltage between the terminals of a component
any point in a radio circuit which has zero voltage

B-005-13-10
The instrument used for measuring the flow of electrical current is the: