List - I List - IIa)Moving coil galvanometerd)i∝tan⁡θb)Tangent galvanometere)i∝θc)Duddles's galvanometerf)i∝θ2 g)i∝θ abc1efg2edg3def4edf

For a moving coil galvanometer:i=CnBA×θ ⇒i∝θFor a tangent galvanometer:i=K tanθ ⇒i∝tanθFor Duddles's galvanometer:θ∝Heat ⇒θ∝i2⇒i∝θ

List - I List - IIa)Moving coil galvanometerd)i∝tan⁡θb)Tangent galvanometere)i∝θc)Duddles's galvanometerf)i∝θ2 g)i∝θ abc1efg2edg3def4edf

For a moving coil galvanometer:i=CnBA×θ ⇒i∝θFor a tangent galvanometer:i=K tanθ ⇒i∝tanθFor Duddles's galvanometer:θ∝Heat ⇒θ∝i2⇒i∝θ

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List - I List - II
a) Moving coil galvanometer d) $i \propto \tan θ$
b) Tangent galvanometer e) $i \propto θ$
c) Duddles's galvanometer f) $i \propto θ^{2}$
g) $i \propto \sqrt{θ}$
a b c
1 e f g
2 e d g
3 d e f
4 e d f

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answer is B.

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Detailed Solution

For a moving coil galvanometer:

$i = (\frac{C}{nBA}) \times θ \Rightarrow i \propto θ$

For a tangent galvanometer:

$i = K tanθ \Rightarrow i \propto tanθ$

For Duddles's galvanometer:

$θ \propto Heat \Rightarrow θ \propto i^{2} \Rightarrow i \propto \sqrt{θ}$

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	List - I		List - II
a)	Moving coil galvanometer	d)	$i \propto \tan θ$
b)	Tangent galvanometer	e)	$i \propto θ$
c)	Duddles's galvanometer	f)	$i \propto θ^{2}$
		g)	$i \propto \sqrt{θ}$

List - I List - IIa)Moving coil galvanometerd)i∝tan⁡θb)Tangent galvanometere)i∝θc)Duddles's galvanometerf)i∝θ2 g)i∝θ abc1efg2edg3def4edf

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List - I List - II
a) Moving coil galvanometer d) $i \propto \tan θ$
b) Tangent galvanometer e) $i \propto θ$
c) Duddles's galvanometer f) $i \propto θ^{2}$
g) $i \propto \sqrt{θ}$
a b c
1 e f g
2 e d g
3 d e f
4 e d f