In accordance to the circuit configuration of bridged ‘T’ variable attenuator below, how many resistors should be varied in order to achieve variable attenuation?
A. Only one
B. Two
C. Three
D. Four
Answer:B
In accordance to the circuit configuration of bridged ‘T’ variable attenuator below, how many resistors should be varied in order to achieve variable attenuation?
A. Only one B. Two C. Three D. Four