SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

Silver
Glass
Iron
Nichrome

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SSC JE Electrical 2019 with solution SET-2
In the two-wattmeter method of three-phase power measurement of a balanced load, if the reading of one meter is −200W, then the power factor of the load is

Less than 0.5
Equal to 0.5
Greater than 0.5
Equal to zero

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SSC JE Electrical 2019 with solution SET-2
For a three-phase induction motor slip at No Load ÷  slip at Full Load

Always less than one
Always equal to zero
Always less than one
Always equal to one

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