A phototransistor is a light-detecting transistor that uses __________ to generate carriers to supply the base leg current.
A. heat
B. voltage
C. light
D. pressure
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. The principle of the hydrogen fuel cell was discovered by German Scientist Christian Friedrich Schonbein. 2. GE remains the world leader in fuel cell technology. 3. The fuel cell is an electrochemical energy conversion device that efficiently captures and uses the power of nitrogen. 4. Fuel cells are quiet and have few moving parts. 5. Fuel cells are classified by the type of electrolyte used.
Which of the following is administered as an agency of the U.S. Department of Agriculture?
a. Federal land banks c. Small Business Administration b. Commodity Credit Corporation d. Production Credit Associations
Laser beams have an intensity of more than ____ watts per square centimeter.
A. 100 B. 1,000 C. 10,000 D. 100,000
All of the following statements about the Programmable Communication Interface system are true EXCEPT that:
A. it is Chrysler's first multiplexing system. B. it is an OBD II standardized protocol. C. it is a medium-speed variable-pulse-width protocol. D. its data bus is similar to General Motors' Class 2 data bus.