aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Electricity and Circuits
  • An electric bulb lights up only when _______.
Multiple choice

An electric bulb lights up only when _______.

  1. circuit is open

  2. circuit is closed

  3. when connected to proper terminal

  4. when we switch on the plug

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When circuit is closed, then current easily passes through it and bulb will blink.

Keep practicing — related questions

  • Which of the following statements is/are incorrect? a. Current does not flow if a circuit is complete. b. A...
  • Which type of circuit is needed to illuminate a light bulb?
  • Current electricity will only flow through a(n) ______________ circuit.
  • An electric bulb converts electrical energy to which of the following energies? (a) Heat (b) Sound (c) Ligh...
  • Consider the following statements regarding Photo - diodes: (a) Photodiode is a 4 lead semiconductor device...
  • Which of the following statements is/are false? a. Electric current on passing through the filament of the ...
  • Which of the following gases is used in light bulbs?
  • Why is the parallel electric circuit better for connecting bulbs in a house?
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Electrical Machines and Circuits (720 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy