SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
In Boolean algebra (A. Ā) + A

1

0

A

Ā

1

0

A

Ā

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SSC JE Electrical 2019 with solution SET-2
An ideal voltage source is one that____?

Has medium internal resistance

Has zero internal resistance

Supplies constant power

Has infinite internal resistance

Has medium internal resistance

Has zero internal resistance

Supplies constant power

Has infinite internal resistance

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

Maximum given by I/CR

Minimum given by I/CR

Minimum given by L/CR

Maximum given by L/CR

Maximum given by I/CR

Minimum given by I/CR

Minimum given by L/CR

Maximum given by L/CR

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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 one

Always less than one

Always equal to zero

Always less than one

Always equal to one

Always less than one

Always equal to zero

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

Across the center disc is maximum

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is minimum

Across the center disc is maximum

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is minimum

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SSC JE Electrical 2019 with solution SET-2
Under no-load conditions in transmission lines, the receiving end voltage is greater than the sending end voltage. This effect is called

Proximity effect

Skin effect

Corona effect

Ferranti effect

Proximity effect

Skin effect

Corona effect

Ferranti effect

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