English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Heating effect of current is called ______ - Science

Advertisements
Advertisements

Question

Heating effect of current is called ______

Options

  • Joule heating

  • Coulomb heating

  • Voltage heating

  • Ampere heating

MCQ
Fill in the Blanks

Solution

Heating effect of current is called Joule heating.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Electric charge and Electric current - Exercise [Page 49]

APPEARS IN

Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 4 Electric charge and Electric current
Exercise | Q I. 5. | Page 49

RELATED QUESTIONS

Why is the tungsten used almost exclusively for filament of electric lamps?


An electric room heater draws a current of 2.4 A from the 120 V supply line. What current will this room heater draw when connected to 240 V supply line?


Explain why, the current that makes the heater element very hot, only slightly warms the connecting wires leading to the heater.


A coil of an alloy _______ is used in electric heater cooker as a resistor.


Explain the application of heating effect of electric current in an electric bulb with a diagram.


An electric iron draws a current of 4 A when connected to 220 V mains. Its resistance must be:


Assertion: Bending of wire decreases the resistance of the electric wire.

Reason: The resistance of a conductor depends on length, thickness, nature of material and temperature of the conductor.


If 220 V potential difference is applied across an electric bulb, a current of 0.45 A flows in the bulb. What must be the power of the bulb?


Two students decided to investigate the effect of water and air on iron object under identical experimental conditions. They measured the mass of each object before placing it partially immersed in 10 ml of water. After a few days, the object were removed, dried and their masses were measured. The table shows their results.

Student Object Mass of Object
before Rusting in g
Mass of the coated
object in g
A Nail 3.0 3.15
B Thin plate 6.0 6.33

What might be the reason for the varied observations of the two students?


What is the heating effect of electric current?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×