I don't know much about resistors, but I installed the weakest one in parallel with my video doorbell based on a YouTube video and it silenced the omnipresent buzz caused by said doorbell.
2Pcs 10K Ohm Single Linear Taper Potentiometer With On/Off Switch & Aluminum Alloy Knob - TWTADE
4 Review
High Quality 8UF CBB60 Run Capacitor With 2 Wires For AC Motor Start-Up At 450V AC And 50Hz/60Hz Ideal For Washing Machines, Air Conditioners, Refrigerators & Water Pumps
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10Pcs 1000V (1KV) 100Pf (101) 0.1NF High Voltage Ceramic Disk Capacitors
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Upgrade Your Electronics With Taiss Silver Tone Rotary Knobs For 6Mm Shaft - Set Of 10
6 Review