The primary function of a fuse is to

Fuse

Quiz
•
Science
•
7th Grade
•
Medium

Laxmi Priya Ganesan
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Open the circuit
Protect the appliance
Protect the line
Prevent excessive currents from flow through the circuit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fuses have got advantages of
Cheapest type of protection
Inverse time current characteristic
No Maintenance
Current limiting effect under short-circuit conditions
All of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fusing factor should be
Equal to zero
Less than now
Equal to one
More than one
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which among these is the least expensive protection for over current in low voltage system?
Rewirable fuse.
Isolator.
Circuit breaker.
Air breaker switch.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a current upto 10A which material is used as the fusing element?
Copper
Silver
Alloy of lead and tin
Zinc
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On which off the following effects of electric current a fuse operates?
Photoelectric effect
Electrostatic effect
Heating effect
Magnetic effect
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A fuse in a motor circuit provides protection against
Overload
Short-circuit and overload
Open circuit, short-circuit and overload
None of the above
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