Step Down Transformer

A 4:1 step down transformer uses a 60 Vac source on the primary windings. There is a 120 mA flowing through the load resistance on the secondary windings. What is the resistive load? A) 500 OHMS B) 2 K-OHMS C) 125 OHMS D) none of the above

Phasor Current

For the attached circuit, find the phasor current ... {see attachment for for current and multiple choice options}

solving for Voltage & Amps.

I am attaching a scanned copy of a question, please answer and show method or obtaining answer. Thanks

Laplace transform.

I am attaching a scanned copy of a question, please answer and show method or obtaining answer. Thanks

Voltage accross resistor. Transfer function

I am attaching a scanned copy of a question, please answer and show method or obtaining answer. Thanks

Emitter Current

A saturated npn transistor has a base to emitter-applied voltage of 0.6V. The collector to emitter voltage is 0.2V. The collector current is 12mA. The beta value of the transistor is 30. What is the emitter current? A) 2.5 mA B) greater than 12 mA C) less than 12 mA, but greater than 3mA D) cannot be determined from the in ...continues

Transfer function

I am attaching a scanned copy of a question, please answer and show method or obtaining answer. Thanks

Current flow through diode

I am attaching a scanned copy of a question, please answer and show method or obtaining answer. Thanks

circuits check attachment

Calculate the input impedance of the buffer amplifier at high frequencies (ie. the impedance Xc≈0).Assume the actual gain of the amplifier with feedback is 0.99 (ie. it is a real amplifier!). check attachement doc file for pic

Lossy current source

Consider the attached circuit. What is the smallest value R2 can have? What is the largest value that R1 can be given? Thanks