Q. If electric resistance is to be decreased, then the number of resistances should be connected in __:
Answer: Parallel
Notes: Resistors are in parallel when each resistor is connected directly to the voltage source by connecting wires having negligible resistance. Each resistor thus has the full voltage of the source applied to it. When resistors are connected in parallel, more current flows from the source than would flow from any of them individually, so the total resistance is lower.