A nerve fibre with electropositive inside and electronegative outside is called …………. .

Explanation

To answer the question, "A nerve fibre with electropositive inside and electronegative outside is called ………….," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Resting Potential**:
- At rest, a nerve fiber has a potential difference across its membrane. The inside of the nerve fiber is negatively charged compared to the outside, which is positively charged. This state is known as resting potential.

2. **Identifying the Charge Distribution**:
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