RedCrab Math Tutorial
 
 

 



Resistor and Conductance
Ohm's Law
Specific Resistivity and Conductance
Resistors in Series
Resistors in Parallel
Wire Voltage Loss
Electrical Power
 


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Voltage loss

 

Voltage loss at the connection line

  If several resistors are connected in series in a circuit, a portion of the total voltage drops at the individual resistors. This also applies to the connection line, which connects the load to the voltage source.

The wire resistance is in series connection with the load. The voltage drop on the wire that is lost to the load is called the loss voltage.
 

Loss Voltage = Cureent ·Wire Resistance

 
   
  The useful voltage acting on the load corresponds to the terminal voltage minus the voltage loss caused by the line resistance.
 

Effective Voltage = Clamping Voltage - Voltage loss

 
   
  According to the formulathe loss voltage depends on the current I and the line resistance RL.
 
  • The wire resistance is the greater the length l and the smaller the line cross section A is.
   
  The wire resistance is calculated according to the formula:
 
  • for one wire length
  • for outgoing and return line
  The loss voltage is calculated according to the formula:
 
   
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