Gravity is the force that pulls us to the surface of the Earth, keeps the planets in orbit around the Sun and causes the formation of planets, stars and galaxies.
Yes. I agree with scientist’s prediction about the warming of Alaska and all of the other five polar regions.
Answer:
C. Adding some of the unknown liquid to red litmus paper.
Explanation:
Since the student doesn't know what the liquid is, it is not safe to experiment with it by boiling, cooling, or adding water to it. The safest option would be to add a small bit of the liquid to the litmus paper, which will identify the liquid as neutral, basic, or acidic.
Answer with Explanation:
We are given that
Power of toaster=
Power of electric frying pan=
Power of lamp=
Current in circuit=15 A
Potential difference= V=120 V
We know that
Current=
Using the formula
Current drawn by toaster=
Current drawn by electric frying pan=
Current drawn by lamp=
