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Physics CBSE Live product
Pre-Crash Course
Magnetic effects of electric current
9.
Safety devices used in domestic electric circuits
Question:
4
m.
Answer the following question:
What precaution should be taken to avoid the overloading of domestic electric circuits?
Precautions include
avoid connecting a single electrical appliance to a single socket at the same time
avoid connecting too many electrical appliances to different sockets at the same time
avoid connecting too many electrical appliances to a single socket to reduce the voltage supply
avoid connecting too many electrical appliances to a single socket at the same time
.
Use
use a single circuit with suitable current ratings for all appliances
separate circuits with suitable current ratings for high-power appliances
separate circuits with unsuitable current ratings for high-power appliances
connect high-power appliances to the same circuit with low current ratings
like geysers and heaters.
Ensure that the
insulation of wires is not damaged to increase the flow of current
insulation of wires is maintained to increase short-circuiting
insulation of wires is not damaged to prevent short-circuiting
insulation of wires is damaged to prevent short-circuiting
.
Use a
fuse or protective device of the correct rating to allow excess current flow
fuse or protective device of the correct rating to prevent damage
fuse or protective device of the correct rating to increase current flow
fuse or protective device of the wrong rating to protect appliances
due to excessive current flow.
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