Half Wave Rectifier
How does a BJT act as a switch?
What is a current amplifier?
What are the advantages of the differential amplifier?
The maximum efficiency of full-wave rectifier is
The transfer characteristics of a base biased transistor has the operation regions namely, cut off, active region and saturation region. For using the transistor as an amplifier it has to operate in the region:
Cut off and saturation
In a common-base amplifier, the phase difference between the input signal voltage and the output voltage is
Figure 7.21 shows a series LCR circuit connected to a variable frequency 230 V source. L = 5.0 H, C = 80μF, R = 40 Ω
(a) Determine the source frequency which drives the circuit in resonance.
(b) Obtain the impedance of the circuit and the amplitude of current at the resonating frequency.
(c) Determine the rms potential drops across the three elements of the circuit. Show that the potential drop across the LC combination is zero at the resonating frequency.