What rule does this come from? What is it called? I\'m trying to study and saw t

Question

What rule does this come from? What is it called? I'm trying to study and saw this example but I don't know what rule this is called or what the equation is... 1 14 First Name Last Name Problem (1-a) (5 points) The light bulb in the circuit below is rated 120V and 0.75 A Find V, to make the light bulb operate at the rated conditions. 852 120 b0.75 Rnu-(160)(40) 160+40 bulb-075 = 160 = 32 V(402 32 32+8 V, = 150 V Problem (1-b) For the circuit shown, find the value of R (5 points) Current division rule 12 A )20A | 462 4 8 20

Explanation / Answer

Kirchhoff's junction rule is used to solve this,

120/32=V/32+8

120=V(32/32+8)

V=150 V

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