What Type Amplifier Uses Direct Coupling and Amplifies Signals Down

question 30

Multiple Choice

What type amplifier uses direct coupling and amplifies signals down to 0 Hz?

• A) transformer coupled amplifier
• B) dc amplifier
• C) ac amplifier
• D) impedance coupled amplifier

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Smiles that infants begin to display at about 6 weeks of age in response to social stimuli, such as seeing a person's face.

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