what is the symbol for a battery, , , what is the symbol for a cell, , a thing, some cells, circuit diagram for a torch, a torch,  , what happens to the current in a series circuit, something, the current is the same at all points., what happens to the current in a parallel circuit, splits into different branches then combines again before it goes back into the supply., it is split, what is the advantage of a parallel circuit , Parallel circuits can be more complex to design and can lead to higher power consumption., are useful if you want everything to work, even if one component has failed., name 3 things that ALLOW electrical current , a supply of electric charges, also called electrons, which are free to flow, some form of push to move the charges through the circuit and a pathway to carry the charges., Paper, plastic, rubber, glass, and air, name 3 things that DO NOT ALLOW electrical current, Paper, plastic, rubber, metal and wire, what happens when two LIKE charges are near each other, they push away from each other, they go together, what happens when two OPPOSITE charges are near each other, they go away from each other, they attract to each other, how dose static electricity build up, threw air, negatively charged electrons jumping from one material to another., what is the equation to calculate resistans, the potential difference in volts, divided by the current in amps., Factorials are symbolized by exclamation points, state the units of resistance, potential difference and current, potential difference (V) is measured in volts (V) current (I) is measured in amps (A) resistance (R) is measured in ohms (Ω), Resistance is measured in units, what happens to the current in a circuit if you add more bulbs, the current strength should increase, the strength should decrease.

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