When u write on a piece of glass sheet with a piece of chalk , the writing is not clear explain .

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

He acceleration due to gravity on the surface of mars is about one third the acceleration due to gravity on earth’s surface. the weight of a space probe on the surface of mars is about