A milliammeter of range 10mA and resistance 9 Ω is joined in a circuit as shown. The meter gives full scale deflection for current i when A and B are used as its terminals, i.e., current enters at A and leaves at B. Find the value of i (in Amperes)
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answer is 0001.00.
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Detailed Solution
ig=10 mA=0.01 ASince both branches are in parallel , their potential difference is also same.i−ig0.1=ig×9.9or i×0.1=10 igor i=10×0.010.1=1 ATherefore, the correct answer is 1.00
A milliammeter of range 10mA and resistance 9 Ω is joined in a circuit as shown. The meter gives full scale deflection for current i when A and B are used as its terminals, i.e., current enters at A and leaves at B. Find the value of i (in Amperes)