General Knowledge |
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Click here for the complete list of RF Cafe Quizzes. Note: Some material based on books have quoted passages.
1. Which "hand rule" applies for determining the direction of the magnetic field around a current-carrying wire? Assume conventional current flow from positive to negative, and magnetic field leaving the north pole and entering the south pole. a) Right-hand rule b) Left-hand rule c) Whole-hand rule 2. What is the name given to the display pattern when independent signals are fed into the x-axis and y-axis ports of an oscilloscope? a) X-Y waveform b) Lissajous waveform c) Complex 3. How is the word "Fresnel" pronounced (as in Fresnel zone or Fresnel grating)?
a) frēs-nĕl' b) frā-nĕl' c) frĕs-nĕl'
a) Lowpass b) Highpass c) Bandpass
a) 2 b) 4 c) 6
a) Coaxial b) Stripline c) Microstrip
a) 90° Maxwell bend b) 90° H-Plane bend c) 90° E-Plane bend
a) 6.2 kΩ, ±5% b) 62 kΩ, ±5% c) 62 kΩ, ±10%
9. What serious problem is commonly caused with lead-free, tin-alloy solders a) Tin whiskers b) Cold flowing c) Spontaneous combustion 10. Which is the earliest RF Cafe logo? a)
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4.
What type of filter is shown to the right?
5.
What is the order of the filter shown to the right?
6. What type of transmission
line is shown to the right?
7.
What type of waveguide bend is shown to the right?
8.
What is the value of the resistor shown on to the right?
b) 
c) 