If No. of branches in a circuit is b, No. of nodes is n and No. of independent loops is l then the number of independent current laws will be
(a) n+l-1
(b) b-n
(c) b-l
(d) n-l
(b) b-n
(c) b-l
(d) n-l
In the circuit shown, the ammeter reads 1 ampere and voltmeter 10 volts. The internal resistance of the ammeter is 1 ohm and that of voltmeter is 50 ohms. The value of R is _______.
(a) 111 .2 ohms (b) 120 ohms (c) 100 ohms (d) 112 ohms Ans: D
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