You are given two resistors `X` and `Y` whose resistances are to be determined using an ammeter of resistance `0.5 Omega` and a voltmeter of reistance `20 k Omega`. It is known that `x` is in the range of a few ohms. While `Y` is in the range of several thousand ohms. In each case, while of the following two connections (Fig. `6.35`) would you choose for resistance measurement? Justify your answer quantiatively. [Hint : For each connection, determine the error in resistnce measurement. The connection that corresponds to a smaller error (for a given range of resistance) is to be perferred.]