Transfer function of electrical system
Mechanical Engineering (MCQ) questions and answers
Q. What is the transfer function of an electrical system given below?
- Published on 15 Sep 15
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- The transfer function of a system can be defined as the value by which if the input is multiplied, we will get the response of the system.
- Above diagram shows an electrical system which consists of voltage source and resistance.
- The source applies a voltage V across a resistance R. This is the input. This results in current flowing through the circuit. Therefore, current is a response.
- According to the ohm's law,
V = I x R
V x (1/R) = I …................................(1)
- The equation (1) represents,
Input(V) x Transfer function(1/R) = Response(I)
- Therefore, the transfer function of the given electrical system is 1/R
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