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	Battery	Resistor	Series	Parallel
	Ohm's Law:	V = IR	current same	voltage same
	V=Voltage	(Volts)	V = V1 + V2	I = I1 + I2
	I=Current	(Amperes)	V = IR1 + IR2	I = V/R1 + V/R2
	R=Resistance	(Ohms)	R = R1 + R2	1/R = 1/R1 + 1/R2