Physics | Electric circuits | Resistors in parallel

An application of Ohm's law for parallel resistors. The scope of work covered is relevent for Grade 10, Grade 11 and Grade 12.

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[mbalimsthali]

Hi sir isn't A2 3.5A since it's combines with Ib and Ic

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Thank you so much- this is the first time I’ve been able to understand circuits properly!!

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finally understand circuits

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[rizymadd]

Sir on the second activity for A2 i got 3.5 A. I firstly calculated the effective resistance of the 4 ohm and 3 ohm resistor which was 1.71 ohms. I then substituted that into the Formula and got 3.5 A. I did that because they asked for the current passing through A2 and not the current passing through the 4 ohm resistor