Basic Repair and Testing Flashcards
Which of the following measurements are commonly made using a multimeter?
Voltage and resistance
Which instrument would you use to measure electric potential or electromotive force?
A voltmeter
What is the correct way to connect a voltmeter to a circuit?
In parallel with the circuit
Which of the following precautions should be taken when measuring high voltages with a voltmeter?
Ensure that the voltmeter and leads are rated for use at the voltages to be measured
What instrument is used to measure resistance?
An ohmmeter
Which of the following precautions would be taken when measuring circuit resistance with an ohmmeter?
Ensure that the circuit is not powered
Which of the following might damage a multimeter?
Attempting to measure voltage when using the resistance setting
What is probably happening when an ohmmeter, connected across an unpowered circuit, initially indicates a low resistance and then shows increasing resistance with time?
The circuit contains a large capacitor
Which instrument is used to measure electric current?
An ammeter
How is a simple ammeter connected to a circuit?
In series with the circuit
Which of the following types of solder is best for radio and electronic use?
Rosin-core solder
What is the characteristic appearance of a cold solder joint?
A grainy or dull surface
