SSC JE Electrical 2019 with solution SET-2
Which of the following heating element has the lowest operating temperature?

Eureka
Kanthal
Graphite
Nichrome

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SSC JE Electrical 2019 with solution SET-2
In the salient pole of the phase synchronous machine, the rotor will have

Smaller diameter, smaller axial length
Larger diameter, shorter axial length
Larger diameter, larger axial length
Smaller diameter, larger axial length

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SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

Magnetic flux density
Reluctance
The product of flux and number of turns enclosed by that path
The product of current and number of turns enclosed by that path

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SSC JE Electrical 2019 with solution SET-2
The type of damping used for moving iron instruments is

Gravity friction damping
Fluid friction damping
Air friction damping
Eddy current damping

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SSC JE Electrical 2019 with solution SET-2
The impedance at resonance offered by a parallel resonant circuit is

Minimum given by I/CR
Maximum given by L/CR
Minimum given by L/CR
Maximum given by I/CR

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