Question

18 Explain the following:

(a) Why is the tungsten used almost exclusively for the filament of electric lamps ?

(b) Why are the conductors of electric heating devices such as bread toasters and electric irons made of
an alloy rather than a pure metal ?

(c) Why is the series arrangement not used for domestic circuits ?
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Answer 1

Explanation:

Answer:

c. because in parallel arrangement if one device stops working other kees working this doesn't apply in series

d. inversely

e. they're good conductor and have high tensile strength