मराठी

State Other Bigger Units of Electric Power and Express Them in Watt. - Physics

Advertisements
Advertisements

प्रश्न

State other bigger units of electric power and express them in watt.

एका वाक्यात उत्तर
बेरीज

उत्तर

The other bigger units of power commonly used are:

1 kilowatt = 1000 watt

1 Horse power (H.P.) = 746 watt

Megawatt = 106 watt 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Electric Power and House hold Circuits - Short Numericals

APPEARS IN

आईसीएसई Physics [English] Class 10
पाठ 8 Electric Power and House hold Circuits
Short Numericals | Q 1

संबंधित प्रश्‍न

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be ______.


The diagram below shows a magnetic kept just below the conductor AB which is kept in North South direction.

(i) In which direction will the needle deflect when the key is closed ?
(ii) Why is the deflection produced ?
(iii) What will be the change in the deflection if the magnetic needle is taken just above the conductor AB ?
(iv) Name one device which works on this principle.


State the S.I. units of electrical power and electrical energy.
(i) Define the household unit of electricity.
(ii) What is the voltage of the electricity that is generally supplied to a house?


Name the physical quantity which is measured in kW.


What does the unit kilowatt hour measure? Define it.


How does the heat produced by die passage of current in a metallic wire depend on the current in the wire?


An electric bulb is rated as 100W – 250V. What information does it convey? Calculate the resistance of its filament while glowing.


An Electric bulb is marked 100 W, 230 V. What how long would this lamp take to consume one unit of electricity?


A. bulb is rated at 100W, 250V and another one at 60W, 250V. What is the current flowing in the circuit if the two bulbs are put in series across a 220 V mains supply?


An electrical appliance is rated 1500 W, 250 V. This appliance is connected to 250 V mains. Calculate:
(i) the current drawn,
(ii) the electrical energy consumed in 60 hours,
(iii) the cost of electrical energy consumed at Rs. 2.50 per kWh.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×