Three statements about connection of cells are given below. I. Connecting cells in parallel provides more electrical energy to the circuit in every one second
II. Connecting cells in parallel increases lifetime of cells
III. Connecting cells in series decreases lifetime of cells
Which statement(s) is/are wrong?
A. OnlyI B. onlyIII C. IIandIII D. I, IIandIII

Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

What can you increase the strength of an electromagnet by