EST-01

EST-01

University - Professional Development

41 Qs

quiz-placeholder

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EST-01

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Assessment

Quiz

Physics, Mathematics, Specialty

University - Professional Development

Hard

Created by

Marvin Magcanta

Used 1+ times

FREE Resource

41 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

A frequency of 27MHz has a wavelength of approximately

11 mm

27 mm

30 mm

81 m

2.

MULTIPLE CHOICE QUESTION

1 min • 15 pts

 A signal occupies the spectrum space from 1.115 to 1.122 GHz. The bandwidth is

0.007 MHz

7 MHz

237 MHz

700 MHz

3.

MULTIPLE CHOICE QUESTION

1 min • 20 pts

The values of Vmax and Vmin as read from an AM wave on an oscilloscope are 2.8 and 0.3. The percentage of modulation is

10.7 percent

 41.4 percent

80.6 percent

93.3 percent

4.

MULTIPLE CHOICE QUESTION

1 min • 15 pts

 A carrier of 880 kHz is modulated by a 3.5 kHz sine wave. The LSB and USB are, respectively,

873 and 887 kHz

876.5 and 883.5 kHz

 883.5 and 876.5 kHz

887 and 873 kHz

5.

MULTIPLE CHOICE QUESTION

1 min • 15 pts

An AM signal has a carrier power of 5 W. The percentage of modulation is 80 percent. The total sideband power is

0.8 W

1.6 W

2.5 W

4.0 W

6.

MULTIPLE CHOICE QUESTION

1 min • 15 pts

For 100 percent modulation, what percentage of power is in each sideband?

25 percent

33.3 percent

50 percent

 100 percent

7.

FILL IN THE BLANK QUESTION

1 min • 15 pts

An AM signal without the carrier is called a(n)

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