Question

We use _______________ to test the conductivity of a material.

(a) electric cell

(b) screw driver

(c) conduction tester

(d) Stone​

Answer 1

(C) Conduction tester .

We use conduction tester to test the conductivity of a material.

Answer 2

(c) conduction tester

We use __conduction tester__ to test the conductivity of a material.