When the collector current increases, what does the current gain do?
a. Decreases
b. Stays the same
c. Increases
d. Any of the above

The current in a coupling circuit for high frequencies is
a. Zero
b. Maximum
c. Minimum
d. Average

If the collector supply voltage is doubled, what happens to the load line?

The graph of current gain versus collector current indicates that the current gain
a. Is constant
b. Varies slightly
c. Varies significantly
d. Equals the collector current divided by the base current

Draw the load line. What is the collector current at the saturation point? The collector-emitter voltage at the cutoff point?

If the base resistance is reduced to $500 \mathrm{k} \Omega$, what happens to the load line?

The current gain of a transistor is defined as the ratio of the collector current to the a. Base current
b. Emitter current
c. Supply current
d. Collector current

When comparing the power dissipation of a 2N3904 transistor to the PZT3904 surface-mount version, the 2N3904
a. Can handle less power
b. Can handle more power
c. Can handle the same power
d. Is not rated

If the collector resistance is increased to $4.7 \mathrm{k} \Omega$, what happens to the load line?

If the base resistor is open, what is the collector current?
a. 0
b. $1 \mathrm{~mA}$
c. $2 \mathrm{~mA}$
d. $10 \mathrm{~mA}$

If the collector supply voltage is increased to $25 \mathrm{~V}$, what happens to the load line?

If the circuit $a$ used $12 \mathrm{~V}$ for its collector and base supply voltage, what are the two values of switched output voltage? $\left(V_{C E \text { (sat) }}=0.15 \mathrm{~V}\right.$ and $\left.I_{C E O}=50 \mathrm{nA}\right)$

The collector current is $10 \mathrm{~mA}$, and the base current is $0.1 \mathrm{~mA}$. What is the current gain?

Draw a set of collector curves. Then, using these curves, show me where the four operating regions of a transistor are.