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Institute of Electronics Engineers Of The Philippines University of Pangasinan Student Chapter. Start Quiz. Engr. Cezar N. Velasco Jr., ECE. A:. B:. C:. D:. Electronics. What composes all matter whether liquid, solid, or gas?. Electrons. Atoms. Protons. Neutrons. A:. B:. C:.

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  1. Institute of Electronics Engineers Of The Philippines University of Pangasinan Student Chapter Start Quiz • Engr. Cezar N. Velasco Jr., ECE

  2. A: B: C: D: Electronics What composes all matter whether liquid, solid, or gas? Electrons Atoms Protons Neutrons

  3. A: B: C: D: Electronics To determine whether a material can support the flow of electricity or not, we need to examine its physical state atomic structure Molecular structure Chemical composition

  4. A: B: C: D: EST The theory of radio waves was originated by: Bell Marconi Maxwell Hertz

  5. A: B: C: D: EST When two or more signals share a common channel, it is called: signal switching Sub-channeling SINAD Multiplexing

  6. GEAS Who has been accepted as the author of the periodic table which was developed by chemists in the mid nineteenth century? Mendeleev

  7. A: B: C: D: GEAS What physical property of a material refers to the ratio of the amount of heat required to raise the temperature of a unit mass of a substance 1 degree to the heat required to raise the same mass of water to 1 degree? Endurance limit Water absorption Specific heat Melting point

  8. EST So called "1/f" noise is also called: Pink noise

  9. A: B: C: D: EST "Man-made" noise can come from: temperature equipment that sparks static all of the above

  10. EST The telephone was invented in the year 1863

  11. GEAS What is another name for modulus of elasticity? Young’s modulus

  12. A: B: C: D: Electronics Approximate diameter of an atom 10-10 µµm • 10-10 µm 10-10 mm 10-10 m

  13. A: B: C: D: Electronics Approximately, how many electrons that could equal to the mass of a single proton or neutron? 1,683 electrons 1,863 electrons 1,836 electrons 1,638 electrons

  14. GEAS What is another name for bulk modulus of elasticity? Volume modulus

  15. A: B: C: D: GEAS Which of the following properties varies directly with temperature? Toughness Ductility Malleability Hardness

  16. GEAS Phosphorus What is the most undesirable of all the elements commonly found in steel?

  17. A: B: C: D: Math Suppose A = {2, 4, 6, 8, 10, 12}, B = {1, 4, 9, 16} and C = {2, 10} A ∪ B = { 1, 2, 4, 6, 8, 9, 10, 12, 16} A ∪ B = {4} A ∪ B = { 1, 4, 9, 16} A ∪ B = { 1, 2, 6, 8, 9, 10, 12, 16)

  18. Math The sum of two numbers is 21, and one number is twice the other. Find the numbers 7 and 14

  19. A: B: C: D: EST The baseband bandwidth for a voice-grade (telephone) signal is: 100kHz 20 Hz to 15,000 Hz at least 5 kHz approximately 3 kHz

  20. A: B: C: D: GEAS What is a combination of one or more metals with nonmetallic element? Aluminum Ceramic Iron Steel

  21. A: B: C: D: Electronics The discrete amount of energy required to move an electron from a lower shell to a higher shell. Positive energy Negative energy quantum quanta

  22. The atomic number of an element is determined by the number of Electronics The atomic number of an element is determined by the number of Protons

  23. Math Find the volume of the sphere whose circumference of a great circle is 18 π. 3053.63 m3

  24. Math Suppose A = {2, 4, 6, 8, 10, 12}, B = {1, 4, 9, 16} and C = {2, 10} B ∩ C = {0}

  25. Math Exact angle of the dodecagon is equal to ___ deg. 150 degrees

  26. Electronics The energy gap between the valence band and conduction band of a conductor is in the order of zero electron volt (0 eV)

  27. EST Disabling a receiver during a burst of atmospheric noise is called _____. Noise blanking

  28. Math What is the apothem of a rectangular polygon having an area of 225 square units and a perimeter of 60 units? 7.5

  29. Math At what time after 3’oclock will the hands of the clock be opposite each other? M=49.09 mins

  30. Get Inspired It is a choice YOU Make the choice to Be inspired And to inspire

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