Question

any 3 questions complete and I mark you as the brainiest
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Answer 1

Answer:

really i haven't read this

Explanation:

Answer 2

1. according to ohms law the current flowing through a conductor is directly proportional to the potential difference across the ends if the conductor provided the physical state of the conductor remains unchanged.

2. the resistivity or specific resistance is defined as the resistance per unit length of the condutor.

5. the refractive index of a lens or a mirror can be expressed as the ratio of sine angle of incidence to the sine angle of refraction.