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Results tagged with electrical-resistance
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user 233562
The tag applies to electrical resistance and resistors. DO NOT USE THIS TAG for non-electrical resistance.
1
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Confusion about the relationship between current, resistance and potential difference
If the voltage of a component has dropped, what will happen to the resistance? My book says it will decrease but I don't understand the logic. How can current and resistance go down at the same time? …
- 105
1
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4
answers
408
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Confusion about Ohm's law
So does ohms law say if the resistance is increased the voltage will also increase but not the current? And in non ohmic conductors the current increases with the voltage even though the resistance is …
- 105
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1
answer
1k
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Confusion about the impact of resistance in a parallel circuit
If two bulbs are connected in parallel circuit with a variable resistor attached to the one of the branches and the resistance is decreased, what will be the effect on the brightness of the both bulbs …
- 105
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3
answers
229
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Confusion about cells in parallel
I cant understand why cells in parallel will last longer. Could someone please explain?
- 105
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2
answers
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Current in a potential divider [closed]
I dont understand why the current in R wont be the same as that in the 50 ohms resistor. Isnt that the rule for series circuits? The emf for the battery is 18 volts.
- 105