This is the Section 4 Module 6 of the compiled Electronics Coaching Materials taken from different sources including but not limited to Electronics books, past Board Exams Questions, Journals and other Electronics References. This particular Coaching Notes in Electronics Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.
Electronics Engineering Coaching: Section 4 Module 6
1. Imaging technique used to measure the magnetic field produced by the electrical activity of the brain
2. Curie has how many transformations (decay) or disintegrations per second
3. Dose of radiation that can cause symptoms of radiation (e.g. tiredness and nausea) if takes within 24 hours has what value?
4. One becquerel =_____dps
5. Radiation dose of a person when he/she is X-rayed
6. One curie is equal to ____ Bq
3.77 x 1010
7. Biological dose of radiation in a HUMAN tissue that had been absorbed.
ROENTGEN EQUIVALENT MAN (REM)
8. A unit used to measure a quantity called absorbed dose that relates to the amount of energy actually absorbed in some material and is used for any type of radiation and any material.
RAD (RADIATION ABSORBED DOSE)
9. SI unit used of the absorbed dose in HUMAN tissue to the effective biological damage of the radiation.
10. SI unit of absorbed dose (absorbed in some MATERIAL)
11. A person can die receiving this amount of mSV dose at the same time
12. Maximum allowable dose for a radiation worker in 5 years
13. It is a measure of the ionizations of the molecules in a mass of air. The main advantage of this unit; it is easy to measure directly, but it is limited because it is only for deposition in air, and only for gamma and x rays.
14. The dose of radiation a patient is exposed when having a teeth/tooth check up
15. 1 roentgen = Coulumb/kg
16. Physiological biometry uses
IRIS AND RETINA
FINGER AND HAND PRINTS
HALL OF FAME
1. Discovered the magnetic effect
HANS CHRISTIAN OERSTED
2. Invented IC
TELL ME WHEN
1. The first systematic work in liquid crystals was first reported on
1. The voltage produced in the thermocouple is directly proportional to the temperature in the junction. This is also known as
2. In thermocouple, when one junction is heated (absorbs energy) and the other junction is cooled (releases energy)..
3. The liberation or absorption of heat when an electronic current flows from a warmer to a cooler part of conductor.
4. Nucleus are stimulated to emit a defined beam of gamma ray
5. Condition where in a nucleus can be stimulated to emit upon sharply defined beams of gamma rays.
6. The sudden, large increase in current that occurs when the particular value of the reverse voltage is reached, and in which is due to ionization by the high intensity electric field in the depletion region in reversed biased PN junction.
7. Magnetization of a helically wound, ferromagnetic wire fluctuates, the tendency for a potential difference to occur
LAWS AND THEORIES
1. Law which states that the force of repulsion or attraction between charges is directly proportional to their strength
COULOMB’S FIRST LAW
1. Each satellite in the Iridium Satellite system has how many spot beams
2. Change of state from solid to gas
3. Visual inspection of a completed repair is conducted to evaluate which of the following aspects of the repair?
4. Which of the following splices is NOT butted?
KNOTTED TAP JOINT
5. Orbital that has one electron that is outside the orbital that is closest to and nearer to L orbital.
6. Inclusion of loop/subroute to larger loop/subroute
7. The approved way of removing coating ?
MECHANICAL, THERMAL AND CHEMICAL
8. Which is NOT a solid?
9. Changes color in different temperature
10. A flow of current through an ionized path by electrical arc
11. The manufacture of parts in discrete runs or lots, generally interspersed with other production procedures.
12. What is INVERSE SQUARE LAW
In physics, an inverse-square law is any physical law stating that a specified physical quantity or intensity is inversely proportional to the square of the distance from the source of that physical quantity.