Exercise: Networks Analysis And Synthesis

Questions for: Networks Analysis And Synthesis

The realization of a term in the impedance function will give
A:
an inductance of value K0 in series
B:
an inductance of value 1/K0 in series
C:
even to odd or odd to even polynomials
D:
even to even polynomials
Answer: D

Impedance of capacitance

📖
📝
💬
👁️
The circuit shown in figure, will act as an ideal current source with respect to terminals A and B, when frequency is
A:
zero
B:
1 rad/s
C:
4 rad/s
D:
16 rad/s
Answer: C

to find the frequency. Put XC + XL = 0.

📖
📝
💬
👁️
In a specimen of cast iron, a field strength of 400 AT/m cause a flux density of 0.6 T. In a specimen of silicon steel, the same value of H would cause B to be
A:
0.6 T
B:
more than 0.6 T
C:
less than 0.6 T
D:
0.6 T or less than 0.6 T
Answer: D

Since μr for silicon steel is more than that of cast iron, flux density will be more than 0.6 T.

📖
📝
💬
👁️
When cells having different emfs are connected in parallel, a circulating current flows.
A:
True
B:
False
C:
D:
Answer: A

To avoid circulating current cells in parallel should be identical.

📖
📝
💬
👁️
In an air cored coil, a current of 0.7 A causes a flux of 5 x 10-6 Wb. If the core is made of cast iron and the coil is similar, the same current can set up a flux of about
A:
5 x 10-6 Wb
B:
5 x 10-8 Wb
C:
10-2 Wb
D:
5 x 10-4 Wb
Answer: D

The permeability of cast iron is about 100.

📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz