A Wheatstone network is balanced with respective resistors 5 \\Omega, 10 \\Omega, 20 \\Omega and 40 \\Omega in the P, Q, R and S arms. If a 40 \\Omega resistor is connected across S arm, then the bridge is again balanced by connecting

Correct Answer is : 10Ω across R

KEAM 2021 Physics and Chemistry Solved Paper

Question : 7 of 120

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A Wheatstone network is balanced with respective resistors 5Ω,10Ω,20Ω and 40Ω in the P,Q,R and S arms. If a 40Ω resistor is connected across S arm, then the bridge is again balanced by connecting

10Ω across R
10Ω across P
20Ω across Q
20Ω across P
10Ω across Q

Validate

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