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Electrical Cables

Electrical Cables
In a cable the voltage stress is maximum at

Insulator
Surface of the conductor
Sheath
Core of the conductor

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Electrical Cables
The bedding on a cable consists of

Both Hessian cloth and Jute
Hessian cloth
Jute
None of the listed here

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Electrical Cables
In cables the charging current

Lags the voltage by 90°
Leads the voltage by 90°
Lags the voltage by 180°
Leads the voltage by 180°

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Electrical Cables
In a cable, the maximum stress under operating conditions is at

Conductor surface
Sheath
Insulation layer
Armour

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Electrical Cables
The inter sheaths in the cables are used to

Provide proper stress distribution
Avoid the requirement of good insulation
Minimize the stress
None of the listed here

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Electrical Cables
A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become

Four times
One half
Double
None of the listed here

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