Home › Bihar Board Class 12 (Science) › Physics › Current Electricity › An ideal voltmeter should have what value of res…
An ideal voltmeter should have what value of resistance?
AZero resistance
BEqual to the circuit
CInfinite resistance
DSmall but finite
Answer & Solution
Correct answer: C. Infinite resistance
Infinite resistance means the voltmeter draws no current and so does not disturb the potential difference being measured.
Related questions
Which mobile charge carriers conduct current in an electrolyte?The resistivity of a semiconductor can be lowered by which process?Which one of these materials is classed as an insulator on the basis of its resistivity?In the free electron model of a metal, what is the average time between successive collisiWhat is the SI unit of the mobility of charge carriers?Why is a Wheatstone bridge used with strain gauges?The electrical resistance of a strain gauge is proportional to which quantity?The ratio arms P and Q of a post office box contain which set of resistance values?