ISRO Scientist or Engineer Electronics 2009
For the following questions answer them individually
The Q of RLC tuned circuit with source voltage V in the figure is 100 at resonant freuquency of 100 KHZ What is the voltage $$V_{L}$$ across inductor at resonance ?
A 5 V reference is drawn from the circuit shown in the figure. Zener diode of 400 mW and 5V with firing current of 5 mA is used. The value of $$R_{s}$$ is
The Voltage across last resistor is V. All resistors are unity. Then $$V_{s}$$ is given by
Natural frequency of a unity feedback control system of transfer function G(s)=$$\frac{10}{s(s+1)}$$
For a line of characteristic impedance $$Z_{o}$$ terminated in a load $$Z_{R}$$ such that $$Z_{R} > Z_{0}$$, the Voltage Standing Wave Ratio (VSWR)is given by
A man with n keys wants to open a lock. He tries his keys at random. The expected number of attempts for his success is (keys are replaced after every attempt)
