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Identify the source that has the following symbol.
  • a)
    Current-controlled voltage source
  • b)
    Voltage-controlled voltage source
  • c)
    Voltage-controlled current source
  • d)
    Current-controlled current source
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Identify the source that has the following symbol.a)Current-controlled...
Concept:
Independent sources:
An independent voltage source maintains a voltage (fixed or varying with time) which is not affected by any other quantity. Similarly, an independent current source maintains a current (fixed or time-varying) which is unaffected by any other quantity.
Dependent sources:
  • Some voltage (current) sources have their voltage (current) values varying with some other variables.
  • They are called dependent (voltage or current) sources or controlled (voltage or current) sources.
  • It is represented in diamond symbol.
  • Since the control of the dependent source is achieved by a voltage or current of some other element in the circuit, and the source can be voltage or current. 
  • It follows that there are four possible types of dependent sources, namely:
    (i) Voltage-controlled voltage source (VCVS)
    (ii) Current-controlled voltage source (CCVS)
    (iii) Current-controlled current source (CCCS)
    (iv) Voltage-controlled current source (VCCS)
Application:
1. 
In the given circuit, the dependent source is a current source (gvc) which depends on the voltage in the other branch. Hence dependent source in the circuit is a voltage-controlled current source.
2. 
In the given circuit, the dependent source is a current source (dic) which depends on the current in the other branch. Hence dependent source in the circuit is a current-controlled current source.
3.
In the given circuit, the dependent source is a voltage source (bvc) which depends on the voltage in the other branch. Hence dependent source in the circuit is a voltage-controlled voltage source.
4.
In the given circuit, the dependent source is a voltage source (ric) which depends on the current in the other branch. Hence dependent source in the circuit is a current-controlled voltage source.
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Identify the source that has the following symbol.a)Current-controlled voltage sourceb)Voltage-controlled voltage sourcec)Voltage-controlled current sourced)Current-controlled current sourceCorrect answer is option 'C'. Can you explain this answer?
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