Any body help plz?

6. Which of the following is a correct definition of the term rectification?





A. Rectification is the opposition to current flow in a circuit.


B. Rectification involves sensing an electrical quantity and converting it to a signal.


C. Rectification is the conversion of AC current to DC current.


D. Rectification refers to the connection of components into a circuit.





8. In the circuit shown in Figure A-2, what will happen when switches S1 and S3 are both closed?





A. The light bulb will light up.


B. Current will flow in the circuit.


C. The resistance of the circuit will increase.


D. Nothing will happen—the light bulb won't light up.








9. In the circuit shown in Figure A-2, what will happen when switches S2 and S3 are both closed?





A. The light bulb will light up.


B. Current will flow in the circuit.


C. The resistance of the circuit will increase.


D. Nothing will happen—the light bulb won't light up.








10. In the circuit shown in Figure A-2, which switches must be closed in order for the light bulb to light up?





A. Only switch S1 needs to be closed in order for the light bulb to light up.


B. Only switches S1 and S2 need to be closed in order for the light bulb to light up.


C. Only switches S1 and S3 need to be closed in order for the light bulb to light up.


D. Only switches S2 and S3 need to be closed in order for the light bulb to light up.








11. At a job interview, the most effective way to prove your proficiency to a prospective employer is to show that you have





A. membership in several professional organizations.


B. certification as an electronics technician.


C. experience with on-line research.


D. your own test equipment.

Any body help plz?
6) B


8, 9 and 10) I should see the circuit to answer.


10) For an electronics company, I'd say (B). But (A) is always a good option. (D) proves your interest but not your proficiency.

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