MHT CET Physics question

PhysicsCurrent ElectricityMHT CET

An ammeter gives full deflection when a current of 2 A flows through it. The resistance of the ammeter is 12 ohm. If the same ammeter is to be used for measuring a maximum current of 5 A, then the ammeter must be connected with a resistance of

Answer: (C)

Solution

A larger range needs a parallel shunt ; series resistances (a, b)

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Question ID VK-078637