Login

Remember

Register

EasyElimu Questions and Answers

Questions
Unanswered
Tags
Users
Ask a Question

An electric cooker is rated 2.5 kW, 250 V. State the meaning of these values

0 votes

449 views

asked Jun 21, 2021 in Physics Form 4 by anonymous

An electric cooker is rated 2.5 kW, 250 V. State the meaning of these values

electronics

Please log in or register to answer this question.

1 Answer

0 votes

answered Jun 21, 2021 by anonymous

The electric cooker has power output of 2500W when it operates at a potential of 250v, P=V1

Please log in or register to add a comment.

Related questions

0 votes

1 answer

A step down transformer has 600 turns in the primary coil. The input voltage is 120 V while the output voltage is 24 V. Determine the number of turns in the secondary coil.

asked Jun 21, 2021 in Physics Form 4 by anonymous

electronics

0 votes

1 answer

State two ways of minimising power losses during the transmission of electric power.

asked Jun 21, 2021 in Physics Form 1 by anonymous

electrostatics
electronics

0 votes

1 answer

Water of mass 3kg initially at 20℃ is heated in an electric kettle rated 3.0kW. Thewater is heated until it boils at 100℃. Taking specific heat capacity of water=4200Jkg/K, heat capacity of kettle=450J/kg, specific latent heat of vapourisation of water =2.3MJ/kg, calculate;

asked Aug 18, 2021 in Physics Form 3 by anonymous

quantity of heat

0 votes

1 answer

The diagram below shows an electrical appliance connected to the mains.

asked Aug 18, 2021 in Physics Form 4 by anonymous

electronics

0 votes

1 answer

2.5 kg of water at 20°C is heated in an electric kettle connected to 250V supply. If it took 20 minutes to boil at 100°C specific heat capacity of water is 4200JKg−1 k−1. Determine the power of the kettle element.

asked Jul 13, 2021 in Physics Form 3 by anony mous

quantity of heat
heat capacity

Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

Categories

All categories
Mathematics (631)
English (285)
Kiswahili (559)
Chemistry (663)
Physics (604)
- Physics Form 1 (307)
- Physics Form 2 (129)
- Physics Form 3 (91)
- Physics Form 4 (76)
Biology (659)
Geography (537)
History (568)
CRE (365)
IRE (53)
Agriculture (519)
Business Studies (378)
Computer Studies (20)
Home Science (60)
General Questions (431)

6.4k questions

9.6k answers

6 comments

590 users

XML Sitemap

© EasyElimu Educational Services 2024

...