Advertisements
Advertisements
प्रश्न
State the order of specific resistance of a metal.
उत्तर
A metal's resistivity has a very small order, on the order of 10-8 Ωm.
संबंधित प्रश्न
Name two factors on which the specific resistance of a wire depends?
The electrical resistance of insulators is ____________.
Three 2 Ω resistors, A, B and C, are connected as shown in Figure. Each of them dissipates energy and can withstand a maximum power of 18 W without melting. Find the maximum current that can flow through the three resistors?
The S.I unit of resistance is ______.
In the given circuit determine the value of:
- Total resistance of the circuit
- Current flowing through the ammeter.
Find the resistivity of the material of a metallic conductor of length 2 m and area of cross-section 1.4 × 10-6 m2. The resistance of the conductor is 0.04 ohm.
The specific resistance of a conductor depends on its ______.
Two copper wires can have the different ______ but will have same ______.
Two wires of the same material and same length have radii 1 mm and 2 mm respectively. Compare their specific resistance.
What length of copper wire of specific resistance 1.7 × 10-8 Ω m and radius 1 mm is required so that its resistance is 2 Ω?
