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From the given cells identify the cell that can be recharged.
A) Leclanche cell B) Galvanic cell
C) Lead acid cell D) Zinc chlorine cell

Find potential difference across the points A and B. If the internal resistance are
same for all the cells

20५ 0) 10५ 0) 15%

From the following identify the nature of fully charged cell.
|. Gassing at the both plates of cell.

Il. Voltage raise of the cell.

Ill. Specific gravity of the electrolyte decreases.

A) | and Il only 8) |, || 8೫೧೮ || 0۱۳۰۱۳۷ 0۳۷

How the low power factor (P.F.) can be improved in AC circuits ?

A) By connecting resistors in series B) By connecting capacitors in series
C) By connecting inductors in series D) By connecting capacitors in parallel

How much will be the insulation resistance of an installation ?
A) Not less than 1 mega ohm B) Not less than 2 mega ohm
C) Not less than 2.5 mega ohm D) Not less than 3.0 mega ohm

In which condition resonance will occur in R-L-C series circuit ?
A) Inductive reactance (XL) is zero

B) (XL)

C) Inductive reactance (XL) is greater than capacitive reactance (XC)
D) (XL)

Inductive reactance (XL) is equal to capacitive reactance (XC)

Inductive reactance (XL) is less than capacitive reactance (XC)

What is the maximum permissible load for a power sub circuit as per I.E. rules ?

A) 800 Watt B) 1500 Watt C) 2000 Watt D) 3000 Watt
What is the megger reading in a dead short wiring installation ?
‏۳ہ 11۸ (8 0۸ (ھ‎ C) 500 M ohm D) Infinity

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