What do you mean by transformation ratio of instrument transformer?
What are the material used for inductance coil?
What is the unit of charge and current?
What is the power factor of a transformer at no load?
What happens to voltage when current is zero?
How does an oscillator differ from an amplifier?
List examples of current sources?
What is the phase relationship between the primary and secondary voltages of a transformer?
What are the functions of different probes used in cro?
What is corkscrew rule?
What is the name of the winding from which the supply is taken for load connections?
What is meant by positive and negative feedback?
Name two low frequency oscillators?
What is instrumental error?
What are the basic component of a cro?