Explain the role of fuse in series with any electrical appliances in an electric circuit. why should a fuse with defined rating
Answers
A fuse is placed in series with the circuit so that the same current flows through the fuse and the electrical circuit. ... If a fuse of higher rating is used, then it will not blow off even when the current exceeds the safety limit of the appliance. As a result, the electrical appliances may get damaged.
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Answer:
∣Answer∣
Resistance:-
It is the property of a conductor to resist the flow of charges through it.
Its S.I unit is ohm (Ω).
R = V/I
And here,
R = Resistance
V = voltage and
I = current.
Factors on which the resistance of a conductor depends:
Resistance depends on its length (L)
Resistance depends on its cross sectional area (A)
Resistance depends on the nature of material
\sf{ \pink{R\propto \dfrac{L}{A}}}R∝AL
\sf{ \red{R=\rho \dfrac{L}{A}} }R=ρAL
Where "ρ" (rho) is proportionally constant known as resistivity of the material of conductor.
\huge{\mathfrak{\orange{hope\; it\; helps}}}hopeithelps