Question

The current flowing through a resistor 10.932 ohm is
4.25 amp. The potential difference is 46.461 volt. The
potential in significant figures is
(a) 46.461 V
(b) 46.46 V
(c) 46.4 V
(d) 46.0 V​

Answer 1

Answer:

b) 46.4 V

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Answer 2

Answer:

The correct answer is option C

Explanation:

The value of resistance $=10.932 \Omega$

current is$=4.25 \mathrm{~A}(\mathrm{I})$

difference $=46.461 \mathrm{~V}$

The value of potential difference in terms of significant figure could be $46.461 < 5$ proceeding figure

$\approx 46.4 \mathrm{~V}$

1. If it is less than 5 , drop it and all the figures to the right of it.

2. If it is more than 5 , increased by 1 the number to be rounded, that is the proceeding figure.

Hence, 4is less than 5 , then the proceeding figure is same.

The correct answer is option C