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- Define safety factor of insulator.
- Describe flashover test of insulator ?
- Name type of cable to be used for
- (i) 11kV
- (ii) 33kV voltage level.
- (iii) What modifications are made in the cable construction to use it for voltages higher than 66kV ?
- How the two coils of an electrodynamometer type instrument is connected to make it work as
- (i) An Ammeter
- (ii) A Voltmeter. Show the diagram.
- Derive the torque equation of an electrodynamometer type instrument. Comment from the torque equation whether the scale of this type of instrument will be linear or cramped.