What will be the error if the intermal resistance of the voltmeteris is very high?

If the internal resistance of a voltmeter is very high, it can lead to minimal loading of the circuit being measured, which is generally desirable for accurate voltage readings. However, if the resistance is excessively high, it may also result in a longer response time or increased susceptibility to noise, potentially leading to inaccurate readings in certain conditions. This can cause the voltmeter to fail to reflect rapid changes in voltage accurately, particularly in dynamic circuits.