For the third one on the top you can put to get solar panels on your roof
Hey there,
The answer to your question is:
Option A
A) The wiring contained a short circuit, so the reduced resistance caused an increase in current.
- Ari -
Group 17 (VII) (halogens)
Answer:

Explanation:
As we know that if the block will complete the circular motion of the path then the speed at the bottom most part of the path must be equal to

now we know that
velocity at the bottom of the path is due to conversion of potential energy to kinetic energy
so we can say it is given as


now we have

