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13) Reading of ammeter in ampere for the following circuit is :

(1) $1$

(2) $\frac{1}{2}$

(3) $\frac{2}{3}$

(4) 3

14) In the following circuit, the resistance of a voltmeter is 10,000$\Omega $ and that of an ammeter is 20 $\Omega $. If the reading of an ammeter is 0.1 ampere and that of voltmeter is 12 volt then the value of R is :

(1) $122\Omega $

(2) $100\Omega $

(3) $118\Omega $

(4) $116\Omega $