In India, the electricity is supplied at

Options

A. 220V,60Hz
B. 220V,50 Hz
C. 110V,60 Hz
D. 110V,50Hz

Explanation

To solve the question regarding the standard electricity supply in India, we need to analyze the options provided and determine the correct one based on the known standards.

### Step-by-Step Solution:

1. **Understanding the Question**:
The question asks for the standard voltage and frequency at which electricity is supplied in India.

2. **Reviewing the Options**:
We have four options to consider:
- Option A: 220 volts and 60 Hertz
- Option B: 220 volts and 50 Hertz
- Option C: 110 volts and 60 Hertz
- Option D: 110 volts and 50 Hertz

3. **Identifying the Standard**:
In India, the standard voltage for household electricity supply is 220 volts. The standard frequency is 50 Hertz. This is a widely accepted standard for electrical supply in many countries, including India.

4. **Evaluating Each Option**:
- **Option A**: 220 volts and 60 Hertz - Incorrect, as the frequency is not standard in India.
- **Option B**: 220 volts and 50 Hertz - Correct, matches the standard supply in India.
- **Option C**: 110 volts and 60 Hertz - Incorrect, both voltage and frequency are not standard in India.
- **Option D**: 110 volts and 50 Hertz - Incorrect, voltage is not standard in India.

5. **Conclusion**:
Based on the evaluation, the correct answer is **Option B: 220 volts and 50 Hertz**.

### Final Answer:
The electricity in India is supplied at **220 volts and 50 Hertz**.

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