A transformer with X turns in primary coil and Y turns in secondary coil is used to change the magnitude of voltage to 240 V. Ca
lculate the input voltage and name the type of transformer if Y= 2 X.
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
The input voltage is 120 V and the transformer is a step up transformer due to increase in the voltage induced in the secondary coil.
<h3>
Input voltage </h3>
The input voltage of the transformer is the voltage of the primary coil and it is calculated as follows;
Ns/Np = Es/Ep
where;
- Ns is the number of turn in the secondary coil
- Np is the number of turn in the primary coil
- Es is the secondary voltage
- Ep is the primary voltage
2X/X = 240/Ep
2 = 240/Ep
Ep = 240/2
Ep = 120 V
Thus, the transformer is a step up transformer due to increase in the voltage induced in the secondary coil.
Learn more about transformer here: brainly.com/question/25886292
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Answer:
 58.44 C
Explanation:
Electric field is found by
 
Therefore, the charge is


Therefore, required charge is 58.44 C