Because class B amplifiers and class AB amplifiers have ____, they can be used as large signal amplifiers, which provide power greater than 0.5 W.
a. high efficiency
b. low efficiency
c. high fidelity
d. low distortion
a. high efficiency
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Carry the answer to two decimal places. What is the net price of a 2-pole, 400-ampere, 230-volt enclosed entrance switch if it has a list price of $287 with successive discounts of 48% and 2%?
Fill in the blank(s) with the appropriate word(s).
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1. The trigger operation of the diac is similar to that of a unijunction transistor, except the diac is a uni-directional device. 2. There are three schematic symbols for the diac. 3. When voltage is applied to the diac, it remains in the turned-on state until the applied voltage reaches a predetermined level. 4. The breakover voltage of a diac will most often range between plus or minus16 volts and plus or minus 32 volts. 5. The SBS has a gate lead that permits some control over the breakover voltage.