Current Electricity Charging Discharging Of Capacitors Question 259

Question: The ammeter A reads 2 A and the voltmeter V reads 20 V. the value of resistance R is (Assuming finite resistance’s of ammeter and voltmeter)

[JIPMER 1999; MP PMT 2004]

Options:

A) Exactly 10 ohm

B) Less than 10 ohm

C) More than 10 ohm

D) We cannot definitely say

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Answer:

Correct Answer: C

Solution:

$ 2R>20\Rightarrow R>10\Omega $ .