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1.
The reciprocal of resistance is
2.
To decrease the range of an ammeter, its resistance need to be increased. An ammeter has resistance 
and range I. Which of the following resistance can be connected in series with it to decreases its range to 
?
and range I. Which of the following resistance can be connected in series with it to decreases its range to ?
3.
The reading of the ammeter as per figure shown is
4.
The accurate measurement of emf can be obtained using
5.
Three unequal resistors in parallel are equivalent to a resistance 1
. If two of them are in the ratio 1:2 and if no resistance value is fractional, the largest of the three resistance in ohm is
. If two of them are in the ratio 1:2 and if no resistance value is fractional, the largest of the three resistance in ohm is