A class A amplifier has a voltage gain of 30 and a current gain of What is the power gain?

Related MCQs

• 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
• A common-emitter amplifier has voltage gain, current gain, power gain, and input impedance.
• A transistor amplifier has a voltage gain of 100. If the input voltage is 75 mV, the output voltage is:
• The total decibel voltage gain of two cascaded voltage amplifier where individual voltage gains are 10 and 100 is
• A class C amplifier has a tank circuit in the output. The amplifier is conducting only 28°. The output voltage is
• Calculate the efficiency of a class B amplifier for a supply voltage of VCC = 20 V with peak output voltage of VL(p) = 18 V. Assume RL = 16 Ω.
• 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.
• You have an application for a power amplifier to operate on FM radio frequencies. The most likely choice would be a             amplifier.
• The ratio output rms power in watts to the input dc power in watts in the different amplifier class is called .
• A class A amplifier dissipates power when the load is drawing maximum power from the circuit.