1. Which type of instrument is illustrated?
(a) Dynamometer
(b) Moving iron repulsion
(c) Moving iron attraction
(d) Permanent magnet moving coil
Answer-(c)
Answer-(c)
2. How influence error exists on measuring instruments?
(a) Careless handling by user
(b) Temperature and vibrations
(c) Wrong design of instrument
(d) Wrong positioning of instrument
Answer-(b)




