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प्रश्न
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उत्तर
This is done to protect the appliances and circuits from any damage due to short-circuit and thus accidents like fire and fatal shocks. Earthing provides an easy and safe path to the excess current in the circuit and sends it to the ground.
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संबंधित प्रश्न
One coulomb charge is equivalent to the charge contained in:
(a) 2.6 × 1019 electrons
(b) 6.2 × 1019 electrons
(c) 2.65 × 1018 electrons
(d) 6.25 × 1018 electrons
A flash of lighting carries 10 C of charge which flows for 0.01 s. What is the current? If the voltage is 10 MV, what is the energy?
The rating of a fuse connected in the lighting circuit is ______.
Calculate the effective resistance between the points A and B in the network shown below in Figure 8.45
An electric current flowing in a wire creates ______ around the wire.
An electric iron is rated 750 W, 230 V. Calculate the electrical energy consumed by the press in 16 hours.
In current electricity, a positive charge refers to ______.
Name any two devices, which are working on the heating effect of the electric current.
