Match List I with List II and select the correct answer:
List I
(a) Synchro
(b) Amplidyne
(c) Servo
(d) RC network
List II
(i) Amplifier
(ii) Activator
(iii) compensator
(iv) transducer1
(a – iv) (b – iii) (c – ii) (d – i)
2
(a – iii) (b – ii) (c – iv) (d – i)
3
(a – iv) (b – i) (c – ii) (d – iii)
4
(a – i) (b – ii) (c – iiI) (d – iv)