A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 8, f = 50 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

P = 8, f = 50 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

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SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

The volume of a material

Steinmetz co-efficient of material

Ambient temperature

Frequency

The volume of a material

Steinmetz co-efficient of material

Ambient temperature

Frequency

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SSC JE Electrical 2019 with solution SET-1
The trade name of the Nickel-Copper alloy, that is used as a heating element is:

Kanthal

Steel

Eureka

Nichrome

Kanthal

Steel

Eureka

Nichrome

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SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

10Ω

30Ω

40Ω

20Ω

10Ω

30Ω

40Ω

20Ω

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SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

Z/R

R/XC

R/Z

R/XL

Z/R

R/XC

R/Z

R/XL

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SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

1 Ω

5 Ω

10 Ω

2 Ω

1 Ω

5 Ω

10 Ω

2 Ω

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1 Hysteresis loss is NOT a function of

SSC JE Electrical 2019 with solution SET-1 The trade name of the Nickel-Copper alloy, that is used as a heating element is:

SSC JE Electrical 2019 with solution SET-1 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1 The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1 Please check out below figure.

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

SSC JE Electrical 2019 with solution SET-1
The trade name of the Nickel-Copper alloy, that is used as a heating element is:

SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1
Please check out below figure.