Question

Explain the following:
(a)
Why is the series arrangements not used for domestic circuits?
(b)
How does the resistance of a wire vary with its area of cross section?​

Answer 1

Answer:

1. series are not used because it make me and more resistance in wire and so from this voltage are not distributed correctly but partially
2. area is invessly proportional to resistance
3. cross section is also inversely pro.....

Answer 2

( a ) Series arrangements are not used for domestic circuit because

The electrical applications need current divider different values to operate properties .

In series arrangement will one components fails , the circuit is broken and none of the components works .

All electrical applications work at a constant voltage .But in series circuit the current is constant throughout the electric circuit and potential different is different across the different component .So series arrangement is not suitable for domestic currents.

( b) Resistance of a conductor decrease when its area of cross-section is increased vise versa when resistance of a conductor increased the area of cross section decreased.