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hbsrnbnt
  • Member for 5 years, 9 months
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14 votes
3 answers
11k views

Why is 10W resistor getting hot with only 6.5W running through it?

13 votes
5 answers
12k views

When I added a resistor to a set of christmas lights where I cut off bulbs, it gets hot. Why does a shorter string of lights not need a resistor?

2 votes
2 answers
303 views

In a parallel circuit where a power wire goes all the way across, why is there still current going into the circuit?

1 vote
2 answers
2k views

What size wattage resistor do I need for this project? Does resistor wattage matter in this case? (Wiring schematic picture included!)

1 vote
1 answer
2k views

Is a diode an effective way to replace a resistor in an application where heat should be avoided?

1 vote
1 answer
187 views

Is this the ideal parallel circuit or is this a combination of series and parallel?

0 votes
1 answer
813 views

If two hot resistors are touching each other, will their temperature rise as opposed to not touching?

0 votes
2 answers
354 views

What is the equivalent of a buck converter for AC voltage?

0 votes
2 answers
541 views

How do I calculate the transformer to use?

0 votes
1 answer
1k views

What exactly is a diode and how do I use it to step down voltage?

0 votes
1 answer
159 views

If I plug in two separate strings of christmas lights into each other, is the voltage multipled by number of parallel circuits?

0 votes
1 answer
1k views

Why is this light in this parallel circuit only working in series?

0 votes
1 answer
785 views

If one resistor is added to a circuit bypassing a longer parallel circuit, will the parallel circuit have current? [closed]