# When voltage feedback (negative) is applied to an amplifier, its input impedance _______________?

When voltage feedback (negative) is applied to an amplifier, its input impedance _______________? A. Is decreasedB. Is increased C. Remains the same D. None of the above

# Emitter follower is used for________________?

Emitter follower is used for________________? A. Current gainB. Impedance matching C. Voltage gain D. None of the above

# When a negative voltage feedback is applied to an amplifier, its bandwidth_____________?

When a negative voltage feedback is applied to an amplifier, its bandwidth_____________? A. Is increased B. Is decreased C. Remains the same D. Insufficient data

# Emitter follower is a _______________circuit?

Emitter follower is a _______________circuit? A. Voltage feedback B. Current feedback C. Both voltage and current feedback D. None of the above

# An emitter follower has ______________input impedance?

An emitter follower has ______________input impedance? A. Zero B. LowC. High D. None of the above

# If voltage feedback (negative) is applied to an amplifier, its output impedance ______________?

If voltage feedback (negative) is applied to an amplifier, its output impedance ______________? A. Remains the same B. Is increasedC. Is decreased D. None of the above

# The voltage gain of an emitter follower is _____________?

The voltage gain of an emitter follower is _____________? A. Much less than 1B. Approximately equal to 1 C. Greater than 1 D. None of the above

# Emitter follower is used for ________________?

Emitter follower is used for ________________? A. Current gainB. Impedance matching C. Voltage gain D. None of the above

# The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become______________?

The gain of an amplifier without feedback is 100 db. If a negative feedback of 3 db is applied, the gain of the amplifier will become______________? A. 5 db B. 300 db C. 103 db D. 97 db

# When current feedback (negative) is applied to an amplifier, its output impedance ________________?

When current feedback (negative) is applied to an amplifier, its output impedance ________________? A. Is increased B. Is decreased C. Remains the same D. None of the above