1. An object initially has a charge of — 3.5ptC. What is its charge after 3.5 x 1013 electrons are...

Question

1. An object initially has a charge of — 3.5ptC. What is its charge after 3.5 x 1013 electrons are added to it?
2. A compressor is connected to a 230 V source, If this is an rms voltage, what would the peak voltage be?
3. A 7 watt florescent light bulb works on a voltage of 120 volts. When the light is energized, how much current flows through the light? How much charge passes through the light in 5 minutes? How much energy does the light use in 5 minutes?

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David · Accepted Answer

1. Solution: 
Initial charge          
Charge of 1 electron                             
Now,          electron were added. 
So, added charge           (          )          
Final charge
2. Solution: 
Peak voltage = √   rms voltage 
                        √
3. Solution: 
Power = 7 Watts 
Voltage = 120 volts 
Current = Power/voltage   
               
 
   

4. Solution: 
For copper,

1. An object initially has a charge of — 3.5ptC. What is its charge after 3.5 x 1013 electrons are added to it? 2. A compressor is connected to a 230 V source, If this is an rms voltage, what would...

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