Question

materials through which current cannot pass are called....​

Answer 1

insulators

Answer:

Materials that do not allow electricity to pass easily through them are called insulators. Rubber, glass, plastic, and cloth are poor conductors of electricity. This is why electrical wires are covered in rubber, plastic, or cloth.

Answer 2

$\Large\mathcal\red{\boxed{\orange{insulators}}}$

materials through which current cannot pass are called insulator