The current in any branch of a transistor amplifier that is operating is

Related MCQs

• "In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other branch, then same e.m.f. acting in the second branch would produce the same current / in the first branch". The above statement is associated with
• An amplifier without feedback has a voltage gain of 50, input resistance is 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current-shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is
• The complementary Darlington-connected transistor for a class B amplifier provides output current and output resistance.
• For any inverting amplifier, the impedance capacitance will be                  by a Miller effect capacitance sensitive to the gain of the amplifier and the interelectrode capacitance.
• 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 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?
• "In any network containing more than one sources of e.m.f. the current in any branch is the algebraic sum of a number of individual fictitious currents (the number being equal to the number of sources of e.m.f.), each of which is due to separate action of each source of e.m.f., taken in order, when the remaining sources of e.m.f. are replaced by conductors, the resistances of which are equal to the internal resistances of the respective sources". The above statement is associated with
• A transistor amplifier has a voltage gain of 100. If the input voltage is 75 mV, the output voltage is:
• The output power of a transistor amplifier is more than the input power due to additional power supplied by
• When a transistor amplifier feeds a load of low resistance, its voltage gain will be