Subject :NSO Class : Class 6
Consider a 3 V cell, it is connected across two uniform resistance wires PQ and RS of resistance 1 Ω and 2 Ω respectively. Length of PQ is 3 cm and length of RS is 6 cm.
A voltmeter with one end fixed at point P and the other end connected to a jockey (J) slides from point R to point S. Which of the following diagrams represents reading of the voltmeter (V) as the jockey (J) slides? (x is the length from R to J.) (A voltmeter measures voltage and it allows almost no current to pass through it.)
A
B
C
D