Subject :NSO Class : Class 7
Fill in the blanks by choosing an appropriate option. When an electric current is passed through a bulb, the __(i)__ gets so heated that it glows. The element of electric heater is made up of __(ii)__. Wires used in electric fuses break when large electric current is passed through them due to __(iii)__ effect of electric current.
--------(i)--------------(ii)---------(iii)
AElement---Tungsten---Heating
BElement---Chromium---Magnetic
CFilament---Tungsten---Magnetic
DFilament---Chromium---Heating
Ans 1:
Class : Class 5
d
Ans 2:
Class : Class 7
all options are wrong correct answer is filaments --tungsten--heating
Ans 3:
Class : Class 8
answer is not in the options'