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89 questions
31
Electric current
Moderate
+1.0
-0.25
Filament of electric bulb is made of:
32
Electric current
Moderate
+1.0
-0.25
The temperature of the filament of lighted electric bulb is generally :
33
Electric current
Moderate
+1.0
-0.25
Lightning can even burn a tree because it contains tremendous amount of
34
Electric current
Moderate
+1.0
-0.25
Consider the following statements: Assertion (A): Lightning conductors prevent buildings from damages in the event of lightning strike. Reason (R): The electric charges are conducted to ground through the wire, instead of passing through the structure. Select the correct answer using the code given below:
35
Electric current
Moderate
+1.0
-0.25
In a three-pin electrical plug longest pin should be connected to
36
Electric current
Moderate
+1.0
-0.25
In electric apparatus ‘earth’ is used:
37
Electric current
Moderate
+1.0
-0.25
The electric current does not flow between two properly connected charged bodies if they are having
38
Electric current
Moderate
+1.0
-0.25
A fuse is used in domestic electric supply as a safety device. Which one of the following statements about the fuse is correct?
39
Electric current
Moderate
+1.0
-0.25
Principle of fuse is
40
Electric current
Moderate
+1.0
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A fuse wire is characterized by: