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
Kirchoif's voltage law cannot be used _______.
(a) with parallel circuit (b) to find current in a circuit (c) to find voltage across a resistor in a series circuit (d) none of the above Ans: D
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