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Subjects
Science CBSE
Class 7
Electric current and its effects
Textbook questions
9.
Exercise IX
Exercise condition:
2
m.
Fill in the blanks:
a
.
When current is switched βonβ in a room heater, it produces
.
b
.
The safety device based on the heating effect of electric current is called a
.
Answer variants:
fuse
battery
heat
positive
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