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T7DEdit

The T7D section covers basic repair and testing; soldering, use of a voltmeter, ammeter, and ohmmeter.
Click "Expand" to reveal the questions.

T7D01

Which instrument would you use to measure electric potential or electromotive force?
A voltmeter

T7D02

What is the correct way to connect a voltmeter to a circuit?
In parallel with the circuit

T7D03

How is an ammeter usually connected to a circuit?
In series with the circuit

T7D04

Which instrument is used to measure electric current?
An ammeter

T7D05

What instrument is used to measure resistance?
An ohmmeter

T7D06

Which of the following might damage a multimeter?
Attempting to measure voltage when using the resistance setting

T7D07

Which of the following measurements are commonly made using a multimeter?
Voltage and resistance

T7D08

Which of the following types of solder is best for radio and electronic use?
Rosin-core solder

T7D09

What is the characteristic appearance of a "cold" solder joint?
A grainy or dull surface

T7D10

What is probably happening when an ohmmeter, connected across a circuit, initially indicates a low resistance and then shows increasing resistance with time?
The circuit contains a large capacitor

T7D11

Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?
Ensure that the circuit is not powered

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