Which of the following is best option while considering the safety of household electric appliances ?

We should use Non ISI marked MCBS

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We should use wire strip as fuse

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Use conductor with high melting point in fuse

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We Should use ISI marked MCBs

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Solution

The correct option is D We Should use ISI marked MCBs
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. We Should use ISI marked MCBs.

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Consumers should use ISI marked electrical appliance is an example of

Question 5

Which of the following precautions need not be taken while using electric gadgets/appliances/circuit?

(a) We should never touch a lighted electric bulb connected to the mains

(b) We should never experiment with the electric supply from the mains or a generator or an inverter

(d) We should never turn the switch in ON position

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