81. In the Thevenin equivalent circuit, Vth equals
82. The unit of electrical conductivity is
83. A series LCR circuit consisting of R = 10 Ω, |XL| = 20 Ω and |XC| = 20 Ω is connected across an a.c. supply of 200 V rms. The rms voltage across the capacitor is
84. A polynomial must satisfy the condition that
85. Which of the following pairs are correctly matched?
1. Brune's realization ⟺ Realization with ideal transformer
2. Couer realization ⟺ Ladder realization
3. Bott-Duffin realization ⟺ Realization with non-ideal transformer⟺
Select the correct answer using the options given below:
1. Brune's realization ⟺ Realization with ideal transformer
2. Couer realization ⟺ Ladder realization
3. Bott-Duffin realization ⟺ Realization with non-ideal transformer⟺ Select the correct answer using the options given below:
86. The V-I characteristics of an element is shown in the below figure. The element is

87. The average value of the periodic function v(t) of the given figure is

88. Which one of the following impedance values of load will cause maximum power to be transferred to the load for the network shown in the given figure?

89. The unit of inductance is
90. Match List-I with List-II and select the correct answer using the options given below:
List-I (Form)
List-II (Networks)
a. Couer I
1. L in series arms and C in shunt arms of a ladder
b. Couer II
2. C in series arms and L in shunt arms of a ladder
c. Foster I
3. Series combination of L and C in parallel
d. Foster II
4. Parallel combination of L and C in series
List-I (Form) | List-II (Networks) |
a. Couer I | 1. L in series arms and C in shunt arms of a ladder |
b. Couer II | 2. C in series arms and L in shunt arms of a ladder |
c. Foster I | 3. Series combination of L and C in parallel |
d. Foster II | 4. Parallel combination of L and C in series |
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