1. The atomic particle that carries a positive charge is
(a) The neutron.
(b) The proton.
(c) The electron.
(d) None of the above.
2. The atomic particle that carries a negative charge is
(a) The neutron.
(b) The proton.
(c) The electron.
(d) None of the above.
3. The process by which an object becomes charged when it comes in contact with a Charged object is called
(a) Induction.
(b) Electrification.
(c) Conduction.
(d) None of the above.
4. The process by which an object becomes permanently charged when it comes near A charged object requires that the first object be
(a) An insulator.
(b) Touched by another object.
(c) A conductor.
(d) None of the above.
5. The resistance of a wire is dependent on all of the following except
(a) Temperature.
(b) Cross-sectional area.
(c) Length.
(d) Material.
(e) Voltage.
6. Which of the following are good electric conductors?
(a) Aluminum
(b) Wood
(c) Glass
(d) Distilled water
(e) Silver
7. The total resistance in a circuit containing resistors connected in series is given by
(a) The sum of the individual resistances,
(b) The sum of the inverse of the individual resistances.
(c) The sum of the currents.
(d) The sum of the voltages.
8. The current in a parallel circuit is given by
(a) The sum of the inverse currents.
(b) The sum of the voltages.
(c) The sum of the currents in the branches.
(d) None of the above.
9. The emf of a battery with cells connected in series equals the sum of the
(a) Internal resistances of the cells.
(b) Emf of the individual cells.
(c) Current in the individual cells.
10. The current in a battery with cells connected in series equals the
(a) Internal resistances of the cells.
(b) Emf of the individual cells.
(c) Current in the individual cells.