BJT - BASICS

For a BJT, for common base configuration the input characteristics are represented by a plot between which of the following parameters?

• V_BE and I_E

• V_BE and I_B

• V_CC and I_C

• V_CC and I_C

In a BJT, if the collector-base junction is reverse-biased and the base-emitter junction is forward-biased, which region is the BJT operating in?

• Cutoff region

• Active region

• Saturation region

• Breakdown region

The value of I_C is precisely zero when the value of I_E is zero.

• TRUE

• FALSE

Which of the following correctly determines the relation between α and β?

• α=β/(1-α)

• β=α/(1-α)

• β=α/(1-β)

• β=α*(1-β)

Type of transistor circuits commonly used is

• C-B

• C-C

• C-E

• ALL THE ABOVE

using the figure decide, what is the BJT amplifier configurations:

• Common Base amplifier

• Common Emitter amplifier

• Common Collector amplifier

decide what is the BJT amplifier configurations for the figure below

• Common Base

• Common Emitter

• Common Collector

Which is beta's current ratio?

• I_C/I_B

• I_C/I_E

• I_B/I_E

• I_E/I_B

When a silicon diode is forward biased, what is V_BE for a C-E configuration?

• 0 V

• 0.3 V

• 0.5 V

• 0.7 V

The ends of a load line drawn on a family of curves determine:

• the operating point

• the amplification factor

• critical points

• saturation and cutoff