# Fundamental of Electricity and Electronics

## Quiz Questions

 1. What does the following picture represent? Hydrogen peroxide Water molecule Ozone molecule Hydrochloric acid 2. The neutron has approximately the same mass as the proton. True False 3. The maximum number of electrons that can be contained in any shell or sub-shell is the same for all atoms and is defined as Electron Capacity =_________ . In this equation n represents the energy level in question. 2n 2n2 2n3 2n2+1 4. Elements such as gold, copper and silver possess many free electrons and make good ______________.? Conductors Insulators Semi-conductors None of the above 5. Which of the following figure shows arrangement of molecules in a piece of magnetized magnetic material? Figure A Figure B 6. The following picture represents _____________________.? Right hand rule Left hand rule Current rule None of the above 7. Charge ‘Q’ is measured in ____________.? Volts Coulombs Joules 8. If I = Current in amperes (A), E = Voltage (V), R = Resistance (Ω) then Ohm’s law may be expressed as _____________.? I = E/R I = ER I = ER2 9. If we have a conductor that is 1 meter long with a cross-sectional area of 1 mm2 and has a resistance of 0.017 ohm, what is the resistance of 50m of wire from the same material but with a cross-sectional area of 0.25 mm2? 2.4Ω 3.4Ω 4.4Ω 5.4Ω 10. The resistance of a material is determined by _________________.? Material Length and area Temperature All the above