Recent content by dontwannatellyou

also I1 +I2

But I have a problem where its not clear

true its equal to i1 + i2

[ Mod Note: relocated to homework forum so template is missing ] Hi Iwas soving a problem and the question is to simplify the circuit . Ididnt understand how the whole circuit is the same as the sum of I1 and I2 and U1 (which is a voltage source ) and I3 and R1 don't play a role Thank you

Hi My question is about magnetic field I mean I know where their formulas are derived from amperes law but I didnt really understand why and how there's is a difference in magnetic fields outside and inside a crrent carrying wire the field inside a current carrying wire is B = μoIr^2/2πR^2 the...