What is/are the advantages of Roof top Solar projects? Reduces the dependence on fossil-fuel Constant supply of electricity Provide electricity to non-grid areas Low cost of storage facilities Select the correct answer from the codes given below

[A] 1 and 4 only

[B] 1, 3 and 4 only

[C] 1, 2 and 3 only

[D] 1 and 3 only

Answer: D

Notes:

Advantages of Roof Top Solar are,

An alternative source of electricity to that provided by the grid.
It reduces the dependence on fossil-fuel generated electricity.
Ability to provide electricity to those areas that are not yet connected to the grid

Challenges assciated with the Roof Top Solar are,

Variability in supply because of variations in efficiency of the solar panels and sunlight.
Restriction of roof space.
Additional cost for storage facilities.