29.(a) The batteries are identical and, because they are connected in parallel, the potential diferencesacross them are the same. This means the currents in them are the same. Letibe the current ineither battery and take it to be positive to the leFt. According to the junction rule the current inRis 2iand it is positive to the right. The loop rule applied to either loop containing a battery andRyieldsE−ir−2iR=0 =⇒i=Er+2R.The power dissipated in
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.