Jeppensen Section G Flashcards
- A voltmeter is connected in _______ with the voltage that is to be measured
ANSWER: Parallel
- Very low resistance may be measured using a _______ type ohmmeter.
ANSWER: Shunt
- Very high resistance may be measured using a(n) _______ .
ANSWER: Megohmmeter
- When a short circuit is present, resistance is _______ and current flow is _______.
ANSWER:
Decreased,
Increased
- A burned out light bulb will constitute a(n) _______ circuit.
ANSWER: Open
- The two basic instruments used for electrical troubleshooting are:
A.ANSWER: Voltmeter
B.ANSWER: Ohmmeter
- When using an ohmmeter to troubleshoot an electrical system, the system power should be _______ (on or off).
ANSWER: Off
- When a voltmeter is placed across an open component in a series circuit, it will read ______ voltage.
ANSWER: Applied
- When a voltmeter is placed across a good (not defective) component in an open circuit, the voltmeter will read ______.
ANSWER: Zero
- Answer the following using the figure below:
a. A voltmeter reading of 24 volts between points C and H would indicate a ______ (good or bad) fuse.
b: A voltmeter reading of zero volts between points D and E would indicate a(n) ______ (open or
closed) switch.
c. A voltmeter reading of 24 volts between point F and H and a light that does not burn would indicate a(n) ______ (good or bad) bulb.
d. A voltmeter reading of 24 volts between points B and C would indicate a _____ [good or bad) fuse.
e. A voltmeter reading of zero volts between points of F and H and a light bulb that does not burn would indicate that the trouble _______ (is or is not) in the bulb..
ANSWER: Good
ANSWER: Closed
ANSWER: Bad
ANSWER: Bad
ANSWER: Is not
- If a semi-conductor diode is checked with an ohmmeter set to the Rx 1 scale, and the readings are low when checked in both directions, the diode is ______ (open or shorted).
ANSWER: Shorted
- The resistance of the secondary winding of a step-up transformer is usually ______ than the resistance of the primary winding.
ANSWER: Higher
