What is the maximum voltage limit for the underground lines that are used for power transmission? a. 120 W b. 250 W C. 66 kV d. 188 kV

Which of the following statement is not valid for Megger ? A. The scale of a Megger is generally ranges from 0 - infinity Ω. B. The operating voltage of a megger is about 50 ... low resistant as well as insulation resistance. E. It basically works on the principle of electromagnetic induction.
Last Answer : Option d is correct answer . Because megger is not use for measurement of low resistant....

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by EE Q&A asked Jun 12 2 views

What are the different relays that employed for protection of apparatus and transmission lines?

What are the different relays that employed for protection of apparatus and transmission lines?
Last Answer : The relays that are usually employed for protection of transmission lines include: Over current relay, Directional relay, Distance relay, Under Voltage relay, Underfrequency relay Thermal relay, Differential relay, Phase sequence relays, pilot relays ...

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by EE Q&A asked May 31 3 views

What is defined as the ratio of the induced voltage to the rate of change of current causing it? a. Inductance b. Reactance c. Capacitance d. Conductance

What is defined as the ratio of the induced voltage to the rate of change of current causing it? a. Inductance b. Reactance c. Capacitance d. Conductance
Last Answer : Ans: a. Inductance...

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by EE Q&A asked May 30 2 views

Fusing factor of a fuse is defined as the ratio of: a. Minimum fusing current to the rated carrying current b. Maximum fusing current to the cut off current c. Maximum fusing current to the prospective current d. Maximum fusing current to the rated carrying current

Fusing factor of a fuse is defined as the ratio of: a. Minimum fusing current to the rated carrying current b. Maximum fusing current to the cut off current c. Maximum fusing current to the prospective current d. Maximum fusing current to the rated carrying current
Last Answer : a. Minimum fusing current to the rated carrying current. Its ratio is always greater than 1....

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What is the maximum voltage limit for the underground lines that are used for power transmission? a. 120 W b. 250 W C. 66 kV d. 188 kV

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