April 16, 2025 |
| | correct answer is: option d : Parallel
Explanation: A voltmeter is a device used to measure the voltage, or potential difference, between two points in a circuit. Voltmeters are always connected in parallel with the component or portion of the circuit across which the voltage is to be measured. This is because a voltmeter has a very high internal resistance, so when connected in parallel, it draws a negligible amount of current from the circuit, ensuring that the voltage being measured is not significantly affected by the presence of the voltmeter. Connecting a voltmeter in series would introduce a large resistance into the circuit, drastically altering the current flow and giving an inaccurate voltage reading, and potentially damaging the voltmeter.
- Option a: Either series or parallel is incorrect. A voltmeter is not designed to be connected in series, as it would disrupt the circuit and give inaccurate readings.
- Option b: Triangular is incorrect. It's not a relevant connection method for a voltmeter.
- Option c: Series is incorrect. Connecting a voltmeter in series introduces a large resistance, disturbing the circuit.
Akhilesh ? answered Apr 16 '25 at 23:05 |
