In the given circuit the internal resistance of the 18V cell is negligible. If R_1 =400 \Omega, R_3 =100\Omega and R_4 =500\Omega and the reading of an ideal voltmeter across R_4 is 5 V, then the value of R_2 will be

NEET 2020 Model Question Paper 3

Question : 31 of 180

Marks: +1, -0

In the given circuit the internal resistance of the 18V cell is negligible. If R1=400Ω,R3=100Ω and R4=500Ω and the reading of an ideal voltmeter across R4 is 5 V, then the value of R2 will be

450Ω
550Ω
230Ω
300Ω

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