Questions
A voltmeter having a resistance of is connected to a cell of emf 2 V and internal resistance . The error in the measurement of emf will be
detailed solution
Correct option is C
Error in measurement - Actual value Measured valueActual value = 2V i=2998+2=1500 ASince E=V+ir ⇒ V=E −ir =2 −1500 × 2=998500 V∴ Measured value =998500 V⇒ Error=2−998500 =4 × 10−3VTalk to our academic expert!
Similar Questions
Resistances R1 and R2, each of are connected in series as shown in figure. The potential difference between A and B is kept 120 volt. what will be the reading of voltmeter connected between the points C and D if resistance of voltmeter is
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