Electrician Quiz

⚡ Electrician Quiz: Are You Real or Just Holding Pliers?

  1. What current arrives on a 20 kV line feeding a small transformer?
    150 A
    15 A
    1–2 A
    Whatever the foreman says

  2. What happens to an induction motor when voltage drops?
    Current drops
    Current increases
    It calms down
    It stops because it’s sad

  3. What happens to a water heater when voltage drops from 230 V to 200 V?
    It consumes more power
    It consumes less power
    Same energy, slower heating
    It takes a vacation

  4. What is the power factor of a transformer on no-load?
    1.0
    0.8
    0.5
    0.1–0.2

  5. What determines the primary current of a transformer?
    Cable size
    Weather conditions
    Load on the secondary side
    Electrician’s mood

  6. Can a transformer increase total power?
    Yes
    No
    Only if it’s new
    Only with WD‑40

  7. What happens to the power of a resistive heater when voltage drops?
    It increases
    It decreases
    It stays the same
    It disappears mysteriously

  8. What happens to reactive power of a transformer on no-load?
    Almost none
    A lot
    Depends on the moon phase
    Reactive power is a myth

  9. Which is worse for the grid?
    Transformer on no-load
    Disconnected transformer
    Both
    Neither

  10. If a factory is closed for a month, what should be switched off?
    Only the low-voltage side
    Only the high-voltage side
    Both sides
    Nothing, electricity is free