Would the bulb glow after completing the circuit shown in Figure, if we use an eraser instead of a safety pin? b) Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain. OR Explain the inner structure of an electric cell with a diagram

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

What quantity do units represent in value

Which is an advantage of subdividing science into different areas?