SMVCE-EPC : QUIZ-1

For dc the current in coupling circuit is

• 0

• Maximum

• Minimum

• Average

The current in an ac circuit for high frequency is

• Zero
• Maximum
• Minimum
• Average

A couppling capacitor is

• A dc short
• An ac open
• a dc open and an ac short
• a dc short and an ac open

In a bypass circuit, the top of a capacitor is

• An open
• A short
• An ac ground
• A mechanical ground

Capacitor of a CE amplifier appears to be

• Open to ac
• Shorted to dc
• Open to supply voltage
• Shorted to ac

Reducing all dc sources to zero is one of the steps in getting

• dc equivalent circuit
• ac equivalent circuit
• Complete amplifier circuit
• Voltage divider bias circuit

When the ac base voltage is too large the ac emitter current is

• Sinusoidal
• Distorted
• Constant
• Alternating

In a CE amplifier with large input signal, positive half cycle of the ac emitter current is

• Equal to the negative half cycle
• Smaller than the negative half cycle
• Larger than the negative half cycle
• Any of the options

ac emitter resistance equals 25mV divided by

• Quiscent base current
• dc emitter current
• ac emitter current
• Change in collector current

To reduce the distortion in CE amplifier, reduce

• dc emitter current
• Base-Emitter voltage
• Collector current
• ac base voltage