Weather Conditions Affect the Generation of Static Charge

The Objective

My project was to determine what affect different weather conditions have on the magnitude of static charge produced by rubbing a comb with various types of cloth.

Methods/Materials

A standard black comb was rubbed with each of four types of cloth (fake fur, polar fleece, cotton, tissue paper) for 20 seconds to produce a static charge on the comb.

The magnitude of the charge on the comb was measured by placing it near a 1/8th inch stream of water and measuring the deflection of the water stream with a ruler taped in the sink.

The temperature of the room was increased using the built in heater.

Running the shower increased the relative humidity of the room.

I did each measurement 2 times and under conditions of cool-dry, warm-dry, cool-humid, and warm-humid.

Results

The greatest static charge was produced under dry-cool conditions for all of the cloths used to produce static charge on the comb.

The smallest static charge was produced under warm-humid conditions for all cloths except tissue paper.

Conclusions/Discussion

My conclusion is that temperature and humidity both influence the degree of static charge that can be built up on an object.

My project is about how weather conditions affect the degree of static charge that can be generated on an object.

Science Fair Project done By Bryce H.C. Luna

 

 

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