A parallel circuit is way of connecting components on separate branches, so the current can take different routes around the circuit. The current is different in different parts of a parallel circuit.
Current is a measure of how much electric charge flows through a circuit. The more charge that flows, the bigger the current. Current is measured in amperes. The symbol for ampere is A. For example, ...
Series R_eq = R1 + R2 + R3... Same current flows through all resistors; total resistance increases; voltage drop varies across components. For R1=4Ω, R2=6Ω: R_eq = 4Ω + 6Ω = 10Ω Parallel 1/R_eq = 1/R1 ...
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