In an RL filter circuit, the cutoff frequency is defined as the frequency at which:
A) the output voltage drops to 66% of maximum.
B) the output voltage is cutoff, with minimum or zero output.
C) the output voltage drops to 70% of maximum.
D) the output voltage drops to 33% of maximum.
C
You might also like to view...
Cylindricity is a type of profile tolerance.
Answer the following statement true (T) or false (F)
One method of troubleshooting sequential logic circuits involves a process of "exercising" the circuit being tested with a known input waveform and then checking the output to see if the proper bit pattern exists
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. The Darlington amplifier circuit is one of the least used in industry. 2. The Darlington amplifier circuit can have a gain of several thousand. 3. Gain does not vary from one type of transistor to another. 4. The Darlington amplifier is used when a low gain is required. 5. Darlington amplifiers can be used to control a large amount of current to a load.
Which of the followings statements regarding chimney sealant is correct?
A. Silicone caulk should not be used as a chimney sealant. B. Oil-based sealants should be used for chimneys. C. Caulking is often used to hide poor workmanship. D. Priming is not necessary prior to using a sealant on a chimney.