BJT biasing

The point of intersection of d.c. and a.c. load lines represents …………..

• 1. Operating point

• 1. Current gain

• 1. Voltage gain

• Power gain

Transistor biasing represents ……………. conditions

• 1. a.c.

• d.c

• 1. both a.c. and d.c.

• None of the above

Operating point represents …………..

• 1. Values of I_C and V_CE when signal is applied

• 1. The magnitude of signal

• 1. Zero signal values of I_C and V_CE

• Infinite signal values of I_C and V_CE

If biasing is not done in an amplifier circuit, it results in ……………

• 1. Decrease in the base current

• 1. Unfaithful amplification

• 1. Excessive collector bias

• 1. None of the above

An ideal value of stability factor is …………..

• 100

• 200

• 1

• More than 200

The operating point is also called the ………….

• 1. Cut off point

• 1. Quiescent point

• 1. Saturation point

• 1. None of the above

The weaker signals are applied at the ________ of the transistor to amplify it.

• emitter
• collector
• substrate
• base

VBE for the silicon made transistor must be not lesser than __________ volts.

• 0.7
• 0.3
• 1.2
• 0.5