a. To amplify low-power signals to high power levels
b. To amplify high-power signals to low power levels
c. To convert AC to DC
d. To store electric charge
Answer: a. To amplify low-power signals to high power levels
a. To amplify low-power signals to high power levels
b. To amplify high-power signals to low power levels
c. To convert AC to DC
d. To store electric charge
Answer: a. To amplify low-power signals to high power levels