JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Different Measuring Instruments

  • question_answer
    An ammeter gives full scale deflection when current of 1.0 A is passed in it. To convert it into 10 A range ammeter, the ratio of its resistance and the shunt resistance will be [MP PMT 1985]

    A)                    1 : 9

    B)                                      1 : 10

    C)                    1 : 11                                

    D)            9 : 1

    Correct Answer: D

    Solution :

                 \[S=\frac{{{i}_{g}}G}{(i-{{i}_{g}})}\] Þ \[\frac{G}{S}=\frac{i-{{i}_{g}}}{{{i}_{g}}}=\frac{10-1}{1}=\frac{9}{1}\]


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