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Assertion: Higher the range, greater is the resistance of ammeter.

Reason: To increase the range of ammeter, additional shunt needs to be used across it. 

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Important Questions on Magnetic Effect of Electric Current

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In an ammeter $0.2 \%$ of main current passes through the galvanometer. If resistance of galvanometer is $G,$ the resistance of ammeter will be 

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The resistance of a galvanometer is 90 ohm . If only 10% of the main current may flow through the galvanometer, in which way and of what value, a resistor is to be used? 

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Resistance of galvanometer is 500 Ω. The effective resistance of an ammeter with a shunt is 25 Ω. What is the value of a shunt?

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A galvanometer whose resistance is,120 Ω, gives full-scale deflection with a current of0.05 A so that it can read a maximum current of10 A . Shunt resistance is added in parallel with it. The resistance of the ammeter so formed iS

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What is the value of shunt resistance required to convert a galvanometer of resistance 100 Ω into an ammeter of range 1 A? (Given: Full scale deflection of the galvanometer is 5 mA).

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A galvanometer of resistance 99 Ω requires 5 mA current for full-scale deflection. It can be converted into an ammeter of range 0.5 A by connecting a shunt resistance of

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A galvanometer having a coil resistance of 100 Ω gives a full-scale deflection, when a current of 1 mA is passed through it. The value of the resistance, which can convert this galvanometer into an ammeter giving a full-scale deflection for a current of 10 A, is 

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What is the reading of the ammeter shown in the figure below?

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