metals and alloys have low resistivity while insulators have high resistivity of two elements A and B are 1.62 into 10 raise to minus 8 ohm metre and 520 into 10 raise to minus 8 ohm metre respectively out of these two name the elements that can be used to make filament of electric bulb wires for Electrical transmission lines

Open in App

Solution

(i) Element B

∴ It has more resistivity (520 x 10^-8 Ωm)

(ii) Element A

∴ It has less resistivity and hence less heating effect.

Dissipation of energy during transmission of power.

Suggest Corrections

Similar questions

The electrical resistivity of four materials A ,B, C and D are given as

A=110×10^-8 ohm metre

B=1×10¹⁰ ohm metre

C=10×10^-8ohm metre

D=2.3×10³ ohm metre

which material is

1) good material

2) resistor

3) insulator

4) semi-conductor

Give reasons for your answer.

1.6 \times 10^{- 8}

10 \times 10^{- 4} c m^{2}

10

Join BYJU'S Learning Program