SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
In excess-three code the 4-bit group that is used is

0010

1110

0001

0011

0010

1110

0001

0011

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SSC JE Electrical 2019 with solution SET-2
Which of the following is NOT an expression to find self-inductance?

Nφ

N2/S

N2μoμrA/I

Nφ/I

Nφ

N2/S

N2μoμrA/I

Nφ/I

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SSC JE Electrical 2019 with solution SET-2
Observe the given figure. Find Thevenin’s resistance as seen from open-circuited terminals?

4 Ω

16 Ω

32 Ω

8 Ω

4 Ω

16 Ω

32 Ω

8 Ω

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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

200 to 500 W

10 to 50 W

600 to 800 W

50 to 150 W

200 to 500 W

10 to 50 W

600 to 800 W

50 to 150 W

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SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/r)*(At/m)

(1/2r)*(At/m)

(1/4r)*(At/m)

(1/r)*(At/Wb)

(1/r)*(At/m)

(1/2r)*(At/m)

(1/4r)*(At/m)

(1/r)*(At/Wb)

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SSC JE Electrical 2019 with solution SET-2
In a suspension type insulator the voltage…..?

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is maximum

Across the center disc is minimum

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is maximum

Across the center disc is minimum

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