Environment 01
Best Solar Panel Angle in India for Every Month
Month-by-month solar panel tilt for Delhi, Mumbai, Bengaluru, Chennai, Kolkata and Jaipur, why the monsoon makes the best fixed angle steeper, with numbers.
solar energy
Physics 02
How Many Solar Panels Do I Need for My House?
Size rooftop solar from your bill: 350 units a month in Delhi needs about 3 kW, six 540 W panels. Generation, roof, subsidy and payback worked out.
Electronics 03
What Wire Size for 12V Solar Over 10 Metres?
Two 100 W panels 10 m from the controller: 4 mm² cable loses 7 to 8% at 12 V. The maths, the sizes that work and why wiring panels in series is cheaper.