ISRO Scientist or Engineer Electrical 2018
Instructions
For the following questions answer them individually
Question 15
For the circuit given below, what is the value of Thevenin equivalent resistance $$(R_{th})$$ across the terminals x and y.
Question 16
What is the resonant frequency of circuit shown below?
Where $$R = 10 Ω, L1 = L2 = 20 mH$$, Mutual Inductance $$M = 5 mH, C = 0.05 \mu H$$.
Question 17
What is the time constant of the circuit shown below, when t = 0 the Switch S is closed?
Question 18
At time t = 0 Switch S is closed in the circuit shown. What is the expression for the current i(t) through the inductor?
Question 19
Determine the steady state voltage across the capacitor $$C_1$$ and $$C_2$$ shown in the circuit below. Initial voltage across $$V_{C_2} = 0 V$$
