Determine the (i) operating frequency and (ii) feedbac fraction for Colpitt's oscillator shown in Fig. 14.12. Voc RF CHOKE 0.001 FC, 0.01F C₂ 15 pH

If the peak voltage Vp coming out of a full wave rectifier circuit is 24 volts, and passes through - The capacitive input filter, find the rout value, noting that the load resistance is 145 ohms and the capacitive value is 754F.

1. Given the circuit, VA=15V (ignore the variable symbol) CR1 CR2 VA R1 R2 3.ЗК 3.ЗК a.) Which diode is in Forward Bias? Which diode is in reverse bias? b.) Measure the current and voltage across the resistor in series with the forward bias diode

A 100-kva 2,400/240-volt 60 cycle transformer has the following constants: Rp = 0.42; Xp = 0.72; Rs = 0.0038; Xs = 0.0068. Calculate the following voltage drops in primary and secondary terms: (a) IRe; (b) IXe. Ans.: 33, 3.3; 58, 5.8