What is the function of a high limit switch on an electric heater?
What will be an ideal response?
A high limit switch senses the air temperature and opens the electrical circuit when overheating occurs.
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On a transistor, control voltages are applied to the _____.
a. base b. collector c. emitter d. PN junction
Answer the following statement(s) true (T) or false (F)
1. RG58 coaxial cable has a characteristic impedance of 75 ohms. 2. Category 3 (CAT-3) cable can support data transmission at speed up to 16Mbps. 3. A token ring network is the most commonly used topology for computer networks. 4. Maximum dial-up modem speeds are limited to the capabilities of the telephone line. 5. In asymmetrical DSL connections, uploads from a computer will be slower than downloads.
Binary subtraction is accomplished by summing one value with the 2's complement of the second value
Indicate whether the statement is true or false
A pair of pliers is a good example of a _________Lever
A. First Class B. Second Class C. Third Class D. None of the above