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NCATT AET EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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NCATT AET EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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ESTUDYNCATT AET EXAM QUESTIONS WITH
COMPLETE SOLUTIONS
**1. Direct current (DC) is defined as:**
- A) The flow of electrons in multiple directions
- B) The flow of electrons in one direction with changing voltage
- C) The flow of electrons in one direction with constant voltage and current
- D) No movement of electrons
✔✔ **Answer**: C) The flow of electrons in one direction with constant voltage and current.
---
**2. Faraday's Law states that:**
- A) Current only flows when there is no electrical difference
- B) Current flows if there is a potential difference and a path for it to move
- C) Current moves only if there is no resistance
- D) Current flows from positive to negative
✔✔ **Answer**: B) Current flows if there is a potential difference and a path for it to move.
---
**3. How do loads affect current in a circuit?**
- A) They stop the current completely
,ESTUDY
- B) They speed up the current
- C) They apply resistance and slow the current
- D) They reverse the direction of the current
✔✔ **Answer**: C) They apply resistance and slow the current.
---
**4. In which direction does current flow?**
- A) From positive to negative
- B) From negative to positive
- C) Both directions at the same time
- D) It doesn't flow
✔✔ **Answer**: B) From negative to positive.
---
**5. Atoms represent:**
- A) The largest elements in nature
- B) The building blocks of planets
- C) The smallest elements that exist in nature
- D) Electrical charges
✔✔ **Answer**: C) The smallest elements that exist in nature.
,ESTUDY
---
**6. What are atoms made of?**
- A) Electrons and protons only
- B) Neutrons and electrons only
- C) Protons, neutrons, and electrons
- D) Just protons
✔✔ **Answer**: C) Protons, neutrons, and electrons.
---
**7. The nucleus is:**
- A) The outer shell of the atom
- B) The center of the atom
- C) Where electrons are found
- D) Not part of the atom
✔✔ **Answer**: B) The center of the atom.
---
**8. Electrons travel at:**
- A) The speed of sound
, ESTUDY
- B) The speed of light
- C) The speed of gravity
- D) Slow speeds depending on the material
✔✔ **Answer**: B) The speed of light.
---
**9. Protons are:**
- A) Negatively charged particles
- B) Positively charged subatomic particles
- C) Neutral particles
- D) Not involved in electrical charges
✔✔ **Answer**: B) Positively charged subatomic particles.
---
**10. Protons contain:**
- A) A negative electrical potential
- B) No charge at all
- C) A positive electrical potential
- D) A neutral potential
✔✔ **Answer**: C) A positive electrical potential.
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