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(A) $1$. Figure of merit $(k)$ is defined as the current required to produce a unit deflection in the galvanometer,i.e.,$k = I / 	heta$. Thus,$A-S$.$

Vedclass · Accepted Answer

$A-S, B-T, C-R, D-P$

Vedclass · Answer

(A) $1$. Figure of merit $(k)$ is defined as the current required to produce a unit deflection in the galvanometer,i.e.,$k = I / 	heta$. Thus,$A-S$.$2$. Current sensitivity $(SI)$ is defined as the deflection produced per unit current,i.e.,$SI = 	heta / I = 1/k$. Thus,$B-T$.$3$. In the half-deflection method,the deflection is made half by connecting a low resistance (shunt) in parallel with the galvanometer. Thus,$C-R$.$4$. $A$ high resistance box is connected in series with the galvanometer to limit the current flowing through the circuit,as the galvanometer can only handle a small current $I_g$. Thus,$D-P$.Therefore,the correct matching is $A-S, B-T, C-R, D-P$.

List-$I$	List-$II$
$A$. Figure of merit $(k)$	$P$. in series
$B$. Current sensitivity $(SI)$	$Q$. to get power loss minimized
$C$. Deflection is made half by using low resistance	$R$. in shunt/parallel
$D$. High resistance box	$S$. current per unit deflection
	$T$. deflection per unit current

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