Vizag Steel Re-Exam: Quiz 1

For the network shown below, if the current then what is the value of R?

In the circuit shown below, what is the value of the current-I?

A triangular pyramid, built up of six wires whose resistances are shown in the figure, is fed from a 1 V battery at the terminals
A and B. The current through the branch DB is

Which of the following can produce maximum induced voltage?

If the 12Ω resistor draws a current of 1A as shown in the figure, the value of resistance R is

The lowest and the highest critical frequencies of R-C driving-point impedance are respectively

The driving-point impedance of an RC network is given by

Its canonical realization will be

A Hurwitz polynomial D(s) must satisfy two conditions. One is the polynomial is real when s is real. What is the other condition?

The voltage across an impedance Z is and the current through Z is. The active and the reactive powers in Z respectively are

For the circuit shown above, the natural frequencies at port 2 are given by and without knowing which refers to open-circuit and which to short-circuit. Then the impedances Z₁₁ and Z₂₂ are given respectively by