$(a)$ What are the values of $mA$ and $\mu A$ ?
$(b)$ Draw the symbols of battery and rheostat.
$(a)$ What are the values of $mA$ and $\mu A$ ?
$(b)$ Draw the symbols of battery and rheostat.
$(a)$ $1 mA =\frac{1}{1000} A$ and $1 \mu A =\frac{1}{1000000} A$
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