This is the Multiples Choice Questions Part 8 of TLE. In preparation for the LET Exam, practice, and familiarize every question we have, it might be included in the actual examination. Good luck.
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TLE Part 8
1. The word electron was derived from the Greek word electron which means ______.
a. to rub
b. to rub
c. amber
d. friction
Answer: b
2. The peak to peak voltage in a 117 Vac outlet is _____.
a. 620V
b. 165.5V
c. 331V
d. 220V
Answer: d
3. Which is a type of modulation where the amplitude of the carriers is change in accordance with demodulating signal?
a. FM
b. PDM
c. A,
d. PCM
Answer: c
4. The actual flow of current is from ______.
a. negative to positive
b. positive to negative
c. Positive to positive
d. negative to negative
Answer: a
5. The rate of doing is called _____.
a. energy
b. power
c. voltage
d. resistance
Answer: d
6. MilliHenry is equal to ______.
a. 10th Henry
b. 100th Henry
c. 1000th Henry
d. 1000000 Henry
Answer: c
7. An inductor opposes any changes in _______.
a. voltage
b. current
c. frequency
d. Modulation
Answer: b
8. A circuit having two or more current paths is ______ connection.
a. Parallel
b. series
c. series-parallel
d. cannot be determined
Answer: a
9. Which is an electrical unit of measuring a power?
a. ohms
b. non linear
c. potentiometer
d. resistance
Answer: c
10. Which is an electrical device that is used to limit or oppose the flow of current in a circuit?
a. linear
b. non linear
c. potentimeter
d. resistance
Answer: a
11. Which is an electronic device that is used to limit or oppose the flow of current in a circuit?
a. capacitor
b. resistor
c. diode
d. inductor
Answer: b
12. An instrument that is used to measure the amount of resistance in circuit is called _____.
a. DC volmeter
b. ohmmeter
c. AC Volmeter
d. Ammeter
Answer: b
13. Solder is a mixture of ______.
a. tin lead
b. zinc and lead
c. zinc and tin
d. copper and lead
Answer: a
14. The commonly used soldering lead is ______.
a. 40-60
b. 60-40
c. 50-50
d. 50-40
Answer: b
15. A standard 220VAC has a frequency of ______.
a. 45Hz
b. 30Hz
c. 50Hz
d. 60Hz
Answer: d
16. A low frequency speaker is sometimes known as ______.
a. tweeter
b. squeaker
c. base collector
d. collector base emitter
Answer: c
17. The three of common transistor are a/an ______.
a. collector bias emitter
b. emitter collector bias
c. base collector
d. collector base emitter
Answer: d
18. Connecting lead from the negative to positive of a battery will produce a/an ______.
a. high resistance circuit
b. low current path
c. short circuit
d. open circuit
Answer: c
19. What is the approximate characteristics voltage that develop across a red LED?
a. 1.7 V
b. 0.6 V
c. 3.4 V
d. 4 V
Answer: c
20. If two resistors are places in series, the final resistance is ______.
a. higher
b. lower
c. the same
d. cannot be determined
Answer: a
