1.

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=10×10-8 ohm 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.

Answer»

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=10×10-8 ohm 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.



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