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SSC JE 2019-20 Technical Quiz 97
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Question 1
Determine the current (in A) that flows through a 15 ohms resistance, when the potential difference between the terminals of the resistor is 60 V.
Question 2
Determine the power (in W) dissipated by a 16 ohms resistor, when the potential difference between the ends of the resistor is 32 V.
Question 3
Determine the eddy current loss (in W) in a material having eddy current coefficient of 1, thickness of 0.02 m and a volume of 1 cubic metre, which is kept in a magnetic field of maximum flux density of 2 T and supplied by a frequency of 50 Hz.
Question 4
Hysteresis loss occurring in a material does NOT depend on which of the following parameters?
Question 5
A power transistor dissipates If the maximum junction temperature is 90oC, the maximum ambient temperature (thermal resistance, at which the transistor can be operated is
Question 6
The current in a coil of resistance is to be reduced by 90%. What value of resistance should be connected in parallel with it?
Question 7
The percentage by which the incandescence of lamp decreases due to drop of current by 3% is
Question 8
For what voltage does the H type of poles used?
Question 9
What is the factor of safety used for current rating in a power installation?
Question 10
________ should be provided as the working space around the main switchboard according to IE rule 51.
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ESE & GATE EEGeneralJun 29ESE & GATE EE