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A voltmeter of resistance 1000 Ω gives full scale deflection when a current of 100 mA flow through it. The shunt resistance required across it to enable it to be used as an ammeter reading 1 A at full scale deflection is 

(1) 10000 Ω

(2) 9000 Ω

(3) 222 Ω

(4) 111 Ω