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Published byDerick Stone Modified over 9 years ago
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“Series Or Parallel”
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One path for the current
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If one light bulb burns out nothing in the circuit will work
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More than one path for the current.
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If one light bulb burns out the other light bulbs in the circuit will still work.
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Your home is wired this way.
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A 2 bulb circuit will have greater resistance than a 1 bulb circuit.
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A 4 bulb circuit will have greater resistance than a 2 bulb circuit.
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A 4 bulb circuit will have less total resistance than a 2 bulb circuit. (if the bulbs are all the same)
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Bulbs in a 4 bulb circuit have a smaller potential difference than bulbs in a 2 bulb circuit, if your voltage source is the same.
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All the light bulbs in the circuit will have the same potential difference, (if they are identical.)
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A 4 bulb circuit will shine just as brightly as a 2 bulb circuit.
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A 4 bulb circuit will have a greater total current than a 2 bulb circuit.
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A bulbs in a 4 bulb circuit will be much dimmer than bulbs in a 2 bulb circuit.
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A 4 bulb circuit will have a much lower total current than a 2 bulb circuit.
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As the number of bulbs in the circuit increases the total resistance of the circuit decreases.
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As the number of bulbs in a circuit increases the total resistance of the circuit increases.
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If your home was wired this way turning on a light would make the oven temperature decrease.
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These circuits need to be equipped with fuses and/or circuit breakers.
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How should you connect 10 appliances so that they all will work at the same time, with the maximum possible current?
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Old fashioned Christmas lights are wired this way.
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Newer strings of Christmas lights are equipped with fuses and are wired in____________.
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Circuits wired in ____________can overheat because they can have too little resistance and too much current running through them.
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Ammeters are connected in this manner.
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Voltmeters are connected this way.
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An ohmmeter is connected this way.
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3, 10 ohm resistors are connected so that the total resistance is 30 ohms.
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A circuit has a total voltage of 120 V. The voltage at each appliance is also 120V.
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A battery delivers 9V. There are 3 resistors. Each resistor has a voltage drop of 3V.
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A 4 bulb circuit will have the same current everywhere in the circuit, even if the resistance of each light bulb is different.
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The current may vary at different locations in the circuit.
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