The base of an npn transistor is thin and

Related MCQs

• Most of the electrons in the base of an NPN transistor flow:
• In an npn transistor, the majority carriers in the emitter are
• Which of the following is true for an npn or pnp transistor?
• A silicon power transistor is operated with a heat sink (θSA = 1.5ºC/W). The transistor, rated at 150 W (25ºC), has θJC = 0.5º C/W, and the mounting insulation has θCS = 0.6 ºC/W. What is the maximum power that can be dissipated if the ambient temperature is 50ºC and TJmax = 200 ºC?
• Class B operation is provided when the dc bias leaves the transistor biased just off, the transistor turning on when the ac signal is applied.
• A 35 mV signal is applied to the base of a properly biased transistor with an r'e = 8 Ω and RC = 1 kΩ. The output signal voltage at the collector is:
• A certain transistor has IC = 15 mA and IB = 167 µA; βDC is:
• The amount of power dissipated by the transistor is the of that drawn from the dc supply (set by the bias point) and the amount delivered to the ac load.
• The complementary Darlington-connected transistor for a class B amplifier provides output current and output resistance.
• A transistor has how many pn junctions?