Physics
Name the transformer used in the (i) power generating station, (ii) power sub station. State the function of each transformer.
Answer
The transformer used in the —
(i) Power generating station — Step up transformer is used in Power generating station to increase the alternating voltage from 11 kV to 132 kV.
(ii) Power sub station — Step down transformer is used in Power sub station to decrease the alternating voltage from 132 kV to 33 kV and then further to 11 kV and to 220 V.
Related Questions
Name two kinds of energy losses in a transformer. How are they minimized?
Give two points of difference between a step up and step down transformer.
(a) What is electromagnetic induction?
(b) Describe one experiment to demonstrate the phenomenon of electromagnetic induction.
(a) Describe briefly one way of producing an induced e.m.f.
(b) State one factor that determines the magnitude of induced e.m.f. in part (a) above.
(c) What factor determines the direction of induced e.m.f. in part (a) above?