Question

A 3300/230 V and 50 Hz, single phase transformer is to be worked at a maximum flux density of

1.2 Wb/m2

in the core. The effective cross sectional area of the transformer core is 150 cm2

.

Calculate:

i. Maximum flux from the secondary side.

ii. Turns ratio

iii. Primary and secondary currents
​

Answer 1

Answer:

Q.1 ‘Leave-The plant’s food factories’. Explain the process (in

100 words) with the help of appropriate labeled diagram :

________________________________________________

__________________________________________

________________________________________________

__________________________________________

________________________________________________

__________________________________________

________________________________________________

__________________________________________

________________________________________________

__________________________________________

________________________________________________

__________________________________________

________________________________________________

__________________________________________

Q.2 Search for information from the internet and answer the

following questions :

(a) Name the states of India that produces 90% of mulberry silk.