Basics of Physics

Basics of Physics Worksheet-10

1. What happens when a large amount of current flows through a circuit that is equipped with a fuse?

(a) Fuse will melt and close the circuit.

(b) Fuse will freeze and close the circuit.

(c) Fuse will melt and open the circuit.

(d) Fuse will trap the electrons.

2. How many types of electric charges are there?

(a) Three - Negative charge, positive charge and neutral charge.

(b) Two - North charge and south charge.

(c) Two - Negative charge and positive charge.

(d) One - Electron charge.

Basics of Physics Worksheet-11

1. A device that uses liquid solution to produce electric energy is called _______.

(a) Dry cell        (b) Wet cell       (c) Liquid cell   (d) Water cell

2. What is the electric current?

(a) It is the flow of atoms.          (b) It is the flow of molecules.

(c) It is the flow of positrons.    (d) It is the flow of electrons.

3. Which of the following medium will not allow vibration to turn into sound waves?

(a) Vacuum       (b) Air                 (c) Water           (d) Nitrogen

Basics of Physics Worksheet-12

1. Which of the following activity produces electrical energy in a wet cell?

(a) Nuclear reaction                     (b) Thermal event

(c) Chemical reaction                  (d) Mechanical motion

2. What happens when negative charges separate from positive charges and build up in a place?

(a) It builds up a static electricity

(b) It builds up a static magnetism

(c) It builds up a dynamic charge

(d) An electric arc is produced