MGVCL Exam Paper (30-07-2021 Shift 3)
Which of the following statements are correct?
(i) Advanced metering infrastructure (AMI) is typically more automated and allows real- time, on-demand interrogations with metering endpoints.
(ii) An Automated Meter Reading (AMR) device only communicates from the customer to the energy supplier.
(iii) AMR meters only provide kWh information and possible peak kW demand for the month.

(i) and (iii) only
(i) and (ii) only
(i), (ii) and (iii)
(ii) and (iii) only

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MGVCL Exam Paper (30-07-2021 Shift 3)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end.

100 m
200 m
300 m
400 m

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

changes logarithmically with radiation
constant and not affected by radiation
inversely proportional to radiation intensity
directly proportional to radiation intensity

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MGVCL Exam Paper (30-07-2021 Shift 3)
A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by

σ²/(2ε)
σ²/(4π)
σ²/(2πε)
σ/(4πε)

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