analog circuits

Which device eliminates the fluctuations in the rectified voltage and produces a relatively smooth dc voltage

• Filter

• Rectifier

• Regulator

Identify a circuit that maintains a constant DC voltage for variation in input line voltage or in the load.

• Regulator

• Rectifier

• Amplifier

Which of the following utilizes only one half cycle of the input?

• Half wave rectifier

• Full wave rectifer

• both half wave and full wave rectifier

What is the purpose of a filter?

• minimize variations in an ac input signal

• suppress harmonics in rectified output

• removes ripples from the rectified output

A voltage regulator is a circuit which_____________________

• Converts the ac voltage to dc voltage

• Smoothens the ac variation in dc output voltage

• Maintains a constant dc output voltage inspite of the fluctuations in ac input voltage or load current

Which of the following is not an essential element of a Regulated Power Supply?

• Rectifier

• Voltage amplifier

• Voltage regulator

What type of device is a transistor in power amplifier?

• active device

• passive device

• either active or passive device

Identify the component used in voltage regulator

• PN Junction diode

• Zener diode

• Tunnel diode

Identifier the diode used as rectifier

• PN junction diode

• Zener diode

• Tunnel diode

Identify the model used in transistor analysis

• Hybrid parameters model

• impedance parameters model

• Admittance parameters model