Match List-I with List-II and select the correct answer using the code given below the lists:List-I(Device)List-II(Application) a. Transferred electron devices i. Microwave amplifier b. Two-cavity Klystron ii. Microwave oscillator c. PIN diode iii. Microwave low power measurement d. Bolometer iv. Modulator

• A. a - iii, b - i, c - iv, d - ii
• B. a - ii, b - i, c - iv, d - iii
• C. a - iii, b - iv, c - i, d - ii
• D. a - ii, b - iv, c - i, d - iii