मराठी

Name Two Effects Produced by Electric Current. - Science

Advertisements
Advertisements

प्रश्न

Name two effects produced by electric current. 

 

Advertisements

उत्तर

The two effects produced by an electric current are:
(i) Heating effect
(ii) Chemical effect

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Electricity - Exercise 8

APPEARS IN

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Which of the following equation shows the correct relationship between electrical unit? 

1A = 1C/s or 1c= 1A/s 


If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?


Why should the resistance of: 

a voltmeter be very large?


If you were going to connect two light bulbs to one battery, would you use a series or a parallel arrangement? Why? Which arrangement takes more current from the battery?


 Christmas tree lamps are usually wired in series. What happens if one lamps breaks?


 An electrician has wired a house in such a way that if a lamp gets fused in one room of the house, all the lamps in other rooms of the house stop working. What is the defect in the wiring?


The following table shows the current in Amperes and potential differences in Volts.

  1. Find the average resistance.
  2. What will be the nature of the graph between the current and potential difference? (Do not draw a graph.)
  3. Which law will the graph prove? Explain the law.
V (volts) I (amp)
4 9
5 11.25
6 13.5

Where is the main fuse in a house circuit connected?

What do you mean by a solenoid?

Tick(✓) the correct choice in the following:

A three pin plug is connected to the lead for a 1 kW electric iron to be
used on a 250 V supply. Which of the following statements is not correct?


Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.


State whether the current is a scalar or vector?


An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.


Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply of the energy supplied in kWh to the three heaters in 5 hours.


Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?


Define an electric current.


Which of the following represents voltage?


Problems for practice:

If 5A current flows through a circuit, then convert the current in terms of microampere?


What are the effects of electric current?


Define the following:

Conventional current


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×