
What is a trip switch ?
Important Questions on Electric Circuits




A filament of low melting point metal/ alloy is used in

List: Elements, nichrome, right angle, cartridge, permanent, high, open, insulator, magnetic, coil.
A fuse wire has a _____ electric resistance.





_____ is connected in the circuit for safety purposes.


List: Elements, nichrome, right angle, cartridge, permanent, high, open, insulator, magnetic, coil
A _____ fuse is used in sensitive electric devices.





The fuse is made from the material that has _____ (low/ high) melting point.

The device that works on the heating effect of electric current is _____.
(Choose from: MCB, Electric fuse, Resistor)

Fill in the blank with the correct options given below:
[Seismometer, Electric current, Negative, Boundaries, Continual, Charges, Charles F. Richter, Earthing, Fork lightning, Repel, Attract]
_____ protects us from electrical shocks due to any leakage of electrical current.

