Electronics Information – Test 4

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This subtest has 16 questions and a time limit of 8 minutes

1 / 16

What is the voltage drop across R1?

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2 / 16

The leads of a multimeter are across a diode in the following manner:Red lead connects to the end of diode with marking band, and the black lead connects on other end. What does a reading of –0.6 volts indicate?

3 / 16

Which of the following is one of the functions performed by a diode?

4 / 16

What is the total resistance of this circuit?

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5 / 16

A power amplifier has a gain of 20 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output?

6 / 16

There is no voltage measured across R4. Which of the following componentfailures is the most probable cause?

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7 / 16

When measuring DC voltage across a device with a multimeter, the meterindicates 0 volts. What is one possible explanation for this reading?

8 / 16

What is current?

9 / 16

What is a British Thermal Unit?

10 / 16

Which component is used to protect against high-voltage transients?

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11 / 16

All other factors remaining the same, what is the effect of increasing wire gauge, for example, from AWG 22 to AWG 26?

12 / 16

What is the relationship between current (I) and voltage (E) in a circuit consisting of a capacitor in series with a resistor?

13 / 16

Ohm's law states:

 

14 / 16

A 1-mW signal is attenuated at the rate of 5 dB/1,000ft. What is the power
level into a receiver that is 6,000 feet from the signal source?

15 / 16

In this circuit, what is the function of the inductor?

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16 / 16

A transmission line is rated at 25 pF/ft. How much capacitance will one mile (5280 ft) of this transmission line have?

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