Transistor amplifier1.1

In a transistor, signal is transferred from a …………… circuit

• high resistance to low resistance

• low resistance to high resistance

A heat sink is generally used with a transistor to …………

• increase the forward current

• prevent excessive temperature rise

• compensate for excessive doping

The most commonly used semiconductor in the manufacture of a transistor is ………….

• germanium

• silicon

The collector-base junction in a transistor has ……………..

• forward bias at all times

• reverse bias at all times

When transistors are used in digital circuits they usually operate in the ………….

• active region

• saturation and cutoff regions

A current ratio of I_C/I_E is usually less than one and is called …………

• beta

• alpha

IE=____

• Ic+Ib

• IE/Ib

• αI_E

Output current to the input current is called as _____

• Power gain

• Current gain

• Voltage gain

the line drawn between saturation and cut-off region is called as

• Load line

• Operating point