Question

preface of solar light, solar heating system and solar cooker

Answer 1

Hybrid photovoltaic and thermal technology provides solar conversion into electricity and heat. ... It is shown that, the cooker can be preferably kept in a balcony near the kitchen where availability of sun rays will provide thermal energy along with the photovoltaic energy that can be received through the PV module.

Answer 2

Explanation:

1. Class I lever and class II lever

2. Class Il lever and class III lever

3. Class 1 lever and class III lever

4. Fixed pulley and movable pulley