Electronics-Voltage and Current
Electronics-Voltage and Current
21. The term used to designate electrical pressure is:
- voltage
- current
- resistance
- conductance
22. Which electronics material opposes the movement of free electrons?
- Conductor
- Insulator
- Semiconductor
- Element
24. A lead-acid battery is an example of a
- solar cell
- fuel cell
- primary battery
- secondary battery
25. A basic electric circuit is made up of what components?
- A load, a resistor, and a conductive path for current
- A voltage source, a load, and a conductive path for current
- A voltage source, a conductive path for current, and a battery
- A conductive path for current, a battery, and a copper wire
27. What is the name of the pressure that moves electrons in a closed circuit?
- amperes
- ohms
- voltage
28. What is a characteristic of a secondary cell?
- rechargeability
- not rechargeable
- a dry cell
- non-liquid
29. What are the basic building blocks that all matter is composed of?
- electrons, neutrons, and protons
- two protons for each neutron
- two protons for each electron
- electrons, neutrons, and charged ions
30. If a fluid system is compared to an electrical system, the fluid pump will correspond to a:
- conductor
- lamp
- battery
- insulator