In the Z-parameter Equations the independent parameters are Currents i.e., i/p And O/p .
therefore to find any of the parameter(Z11,Z12,Z21,Z22) We have to either open circuit the input or the output port .as we are open circuiting any one of the port the Z-parameters Are called as open circuit parameters
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For open circuit test of transformer, the secondary is open circuit and the circuit impedance is largely inductive due to the core impedance having high L as compared to R. hence the power factor is reduced, thus , we use low power factor wattmeters.
That's an "open" circuit.
An open (circuit) is where insufficient (often zero) current flow where some is expected. In this case, little or no work is done. A short (circuit) is where high (often infinite or as limited by the power supply) current flows where only some is expected. In this case also, little or no work is done by the device intended, but there is enough current to trip (or blow) the protective device (fuse or circuit breaker).
v1= h11 i1 + h12 v2 i2= h21 i1 + h22 v2 To calculate h11 and h21 short circuit the output terminals & to calculate h22 and h12 make input open. Substitute values in the above equation to find h parameters.
When a circuit has a gap in it, everythig stops working because the electricity wont be able to flow around the whole circuit
Impedance Inversion in Microwave circuits can be obtained by utilizing the Short Circuit or Open Circuit Transmission line of proper length.
For open circuit test of transformer, the secondary is open circuit and the circuit impedance is largely inductive due to the core impedance having high L as compared to R. hence the power factor is reduced, thus , we use low power factor wattmeters.
it is called a circuit and when it is closed is called a closed circuit and when open circuit it is called an open circuit
the impedance of the capacitor is given by Xc=1/jwC where w=2*pi*f and for DC source f=0 hence Xc=infinity ie, the capacitor will provide infinite impedance for DC, or its Open circuit
An open circuit is called open because the circuit has an opening, a disconnection. In other words, there is an open space in the circuit in which the electrons cannot move through.
A break in an electric circuit is called an open circuit. Electric current will not flow through an open circuit.
This wire provides a low impedance return path to the distribution panel in case of a circuit fault. This direct fault current path will trip the circuit's breaker and open the circuit.
an open circuit.
In a lighting circuit an open circuit will turn off the light.
open
When a circuit is in off condition then it is called an open circuit..
meaning that the current from your power source doesn't return to the positive end (electricity flows from - negative, to + positive)