For the following circuits, use Kirchoff\'s rules tofind the indicated quantitie

Question

For the following circuits, use Kirchoff's rules tofind the indicated quantities: A set of batteries and bulbs are connected as shown. All of the bulbs have resistance R and the current through bulb C is I as indicated. Use Kirchoff's rules tofind the current through bulbs A and B and through the battery the voltage drop across the battery Express your answers in terms of R and I. In explaining your arguments, explain which of the Kirchoff principles you are using and how. If you have not used all of them, discuss whether you are using the missing ones implicitly or whether they are not relevant here.

Explanation / Answer

3. a.) since in parallel Vb = Vc

so I b = I

then kirkoff junction rule means Ia = 2I

b) loop rules for outer loop

V - 2I R - I R = 0

V = 3 I R

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