Reference no: EM131216522
Q1. The following circuit has the resistor with resistance R as one of its elements. The equivalent resistance measured at the terminals is also R. Find R.
Q2. Find Rx and Ry in the circuits below given the corresponding equivalent resistance values for each circuit.
Q3. Given the circuit below and noting that the absence of a dot in an intersection means that there is no electrical connection at that point, find:
(a) a single delta network which can replace the following circuit at terminals ABC.
(b) a single wye (Y) network which can replace the following circuit at terminals ABC.
Q4. In the given circuit below, use any method to find Ix.
Q5. Write a sufficient set of node equations, which when solved, can be used to determine the current or voltage in any part of the network below.
Q6. In the following circuit, all resistors are equal. Find Req at terminals a and b if:
(a) terminal c is shorted to terminal d.
(b) terminal e is shorted to terminal f.
(c) terminal c is shorted to terminal e.
Q7. Given the circuit below:
(a) use voltage and/or current division to express Iy as a function of Vs.
(b) if Vout/Vs = 9, determine the value of A.
Q8. In the following circuit, the output voltage vo is either 26V or 24V, depending on whether the switch is open or closed. For what state of the switch is vo = 24V? Find R2 and R3.
Q9. Which of the two voltage divider circuits below will be least affected by the connection of identical loads? Explain your answer.
Q10. In the two voltage divider circuits in #9, what advantage would the other voltage divider have over the one that is least affected by the connection of a load? (HINT: Determine the power consumed by both circuits.)
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