rajtiwari41 Asked: December 2022 A dentist mirror has a radius of carvature of 3cm. how far must it be placed to give a virtual image that is
rajtiwari41 Asked: December 2022 A current of 2A produces 200J of heat in a wire in a given period of time. if the current
rajtiwari41 Asked: December 2022 what are the advantages of connecting devices in parallel with the battery instead of connecting them in series