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

Nichrome
Kanthal
Graphite
Eureka

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

600 to 800 W
200 to 500 W
50 to 150 W
10 to 50 W

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SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

5/2π
10/2π
1/2 π
20/2π

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Fluorescent lamp
Halogen lamp
Neon lamp
Incandescent lamp

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SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

1101010
0101011
0101010
1110011

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