Whats the average current does this rotating charge represent

AI Thread Summary
The discussion revolves around calculating the average current represented by a rotating charge of 8.34 nC at an angular speed of 116π rad/s. Participants emphasize the need to determine how many times the charge passes a point per second to find the current using the formula I = q/t. There is confusion regarding the conversion of angular speed from radians per second to revolutions per minute and its relevance to current in amperes. Clarification is sought on the relationship between angular measurements and the required units for current. The conversation highlights the importance of understanding the fundamental relationships in physics to solve the problem accurately.
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Homework Statement



a small sphere carries a charge of 8.34nC in whirled in a circle at the end of an insulating string. The angular speed is 116 Pi rad/s. what's the average current does this rotating charge represent

Homework Equations



I= q/t
w= theta/t

The Attempt at a Solution


116 pi rad/sec * 1 rev/min
 
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What is current?

What units are you asked to represent it in?

It might be useful to figure how many times the charge will pass a particular point a sec.

They give you that it revolves at 116π radians/sec so how many times a sec ?
 


Current is I (amps) where its charge(Q) / (t) times in secs. so 116/60?, is it 8.34x1e-9/ (116 pi/60)?
 


xswtxoj said:
Current is I (amps) where its charge(Q) / (t) times in secs. so 116/60?, is it 8.34x1e-9/ (116 pi/60)?

1. How many radians in a revolution?

2. What's with the 60, when they give you ω in radians/sec already?
 


116 pi rad/ sec * 60secs/1 min* 1rev/2pi rad
 


xswtxoj said:
116 pi rad/ sec * 60secs/1 min* 1rev/2pi rad

Why do you want it in radians/minute when current is in amps which are Coulombs/s?
 
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