aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Electricity and Magnetism - II
  • How many 100 watt bulbs may be safely used on 220 volt wi...
Multiple choice

How many 100 watt bulbs may be safely used on 220 volt with five amperes fuse?

  1. 22

  2. 11

  3. 10

  4. 5

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

We know, P=VI For ‘n’identical bulbs, Total power = n  x 100 watts n *100 = 220 volts x 5 amperes n = 220 x 5 / 100  =11

Keep practicing — related questions

  • Which of the following text file processing commands is used in UNIX to perform basic text transformations ...
  • Which arithmetic instructions may use any of the addressing modes for one of the operands, but, except when...
  • In which of the following models may data flow diagrams be used to show how data is processed?
  • By using which of the following security techniques may the user decide that certain sites such as computer...
  • Consider the following statements: 1. Platinum is used in the making of filaments of an electric bulb. 2. I...
  • How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg, so...
  • Transgene α-interferon was used for hepatitis treatment. Which of the following was/were used as donor(s) o...
  • A circular coil of 100 turns and an area of 10 cm2 rotates about a diameter with an angular velocity 100 ra...
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