CUET Preparation Today
Which of the following statements is not true with reference to a potentiometer? |
It is based on balanced Wheatstone bridge. It draws no current from the voltage source being measured. It is unaffected by the internal resistance of the source. It is a very sensitive device to measure potential difference. |
It is based on balanced Wheatstone bridge. |
The correct answer is Option (1) → It is based on balanced Wheatstone bridge. Potentiometer is used to measure the potential difference (Voltage) by comparing it with known reference voltage. It works on principle of voltage division and balancing the bridge to determine an unknown resistance. |
