To transmit electrical energy from a generator to distant consumers __

Options

A. high voltage and low current are transmitted
B. high voltage and high current are transmitted
C. low voltage and low current are transmitted
D. low voltage and high current are transmitted

Answer

To solve the question regarding the transmission of electrical energy from a generator to distant consumers, we need to analyze the options given and understand the principles of electrical transmission.

### Step-by-Step Solution:

1. **Understanding Power Transmission**:
- When transmitting electrical energy over long distances, we aim to maintain the same power output at the consumer end as the power input from the generator.

2. **Power Loss in Transmission**:
- Power loss during transmission occurs due to the resistance of the wires, which can be expressed as:
\[ P_L = I^2 R \]
where \( P_L \) is the power loss, \( I \) is the current, and \( R \) is the resistance of the transmission lines.

3. **Minimizing Power Loss**:
- To minimize power loss, we need to reduce the current \( I \). Since \( R \) is a constant (the resistance of the transmission lines does not change), reducing \( I \) will lead to a significant reduction in \( P_L \).

4. **Relation Between Power, Voltage, and Current**:
- The relationship between power, voltage, and current is given by:
\[ P = V \times I \]
where \( P \) is the power, \( V \) is the voltage, and \( I \) is the current.

5. **Increasing Voltage to Reduce Current**:
- If we want to keep the power \( P \) constant while reducing the current \( I \), we must increase the voltage \( V \):
\[ V = \frac{P}{I} \]
- Thus, if \( I \) is low, \( V \) must be high to maintain the same power level.

6. **Conclusion**:
- Therefore, to transmit electrical energy efficiently over long distances, we should transmit at **high voltage and low current**. This minimizes power loss and ensures that more of the generated power reaches the consumers.

### Final Answer:
The correct option is: **High voltage and low current are transmitted.**

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