A : A low voltage supply from which high currents are to be withdraw , must have very low internal resistance .
R : Maximum current drawn from a source is inversely proprtional to internal reisistance .

Options

A. If both Assertion & Reason are true and the reason is the correct explanation of the assertion , then mark
B. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion then mark.
C. If Assertion is ture statement but Reason is false , then mark
D. If both Assertion and Reason are false statements then mark.

Answer

To solve the given problem, we need to analyze the assertion (A) and the reason (R) provided in the question.

### Step-by-Step Solution:

1. **Understanding Assertion (A)**:
- The assertion states that a low voltage supply from which high currents are to be withdrawn must have very low internal resistance.
- According to Ohm's Law, the current (I) flowing through a circuit is given by the formula:
\[ I = \frac{V}{R} \]
where \( V \) is the voltage and \( R \) is the resistance.

2. **Analyzing the Condition**:
- In this case, since the voltage \( V \) is low, to achieve a high current \( I \), the resistance \( R \) must be low.
- Therefore, if we want to draw high currents from a low voltage supply, we indeed require a very low internal resistance.

3. **Understanding Reason (R)**:
- The reason states that the maximum current drawn from a source is inversely proportional to the internal resistance.
- This can be expressed mathematically as:
\[ I \propto \frac{1}{R} \]
- This means that as the internal resistance \( R \) decreases, the current \( I \) increases, which supports the assertion.

4. **Conclusion**:
- Both the assertion (A) and the reason (R) are correct.
- Furthermore, the reason correctly explains the assertion. Therefore, the answer to the question is that both A and R are true, and R provides a correct explanation for A.

### Final Answer:
Both Assertion (A) and Reason (R) are correct, and R explains A.

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