A-Level Physics: What is the resistance of a voltmeter, and how does it affect the measurement of potential difference?

Question

What is the resistance of a voltmeter, and how does it affect the measurement of potential difference?

daavide · Accepted Answer

A voltmeter has infinite resistance, meaning no current flows through it, ensuring an exact measurement of potential difference.

What is the resistance of a voltmeter, and how does it affect the measurement of potential difference?