A 3-V direct current (dc) power source required for a circuit is obtained by connecting together two 1.5-V batteries in series. If the error in the voltage output of each battery is specified as 1%,...

A 3-V direct current (dc) power source required for a circuit is obtained by

connecting together two 1.5-V batteries in series. If the error in the voltage output of

each battery is specified as 1%, calculate the likely maximum error in the 3-V