| LIST I (Oscillator and Amplifier) | LIST II (Characteristics) | ||
|---|---|---|---|
| A | Wien-bridge oscillator | I | Low output impedance |
| B | Voltage-shunt feedback amplifier | II | RF frequency range |
| C | Crystal Oscillator | III | Audio frequency range |
| D | Current-shunt feedback amplifier | IV | High output impedance |
Using a variable frequency ac voltage source the maximum current measured in the given LCR circuit is 50 mA for V = 5 sin (100t) The values of L and R are shown in the figure. The capacitance of the capacitor (C) used is_______ µF.

Match sequencing methods with key feature. 
Match the technique with its application. 
Match the RNA type with its function. 
Match the enzyme with its function. 
Match the hypersensitivity type with its example. 