The Wheatstone bridge is balanced when \(R_3 = 144 \, \Omega\). If \(R_2\) and \(R_1\) are interchanged, the bridge balances for \(R_3 = 169 \, \Omega\). The value of \(R_4\) is:
Arrange the following in increasing order of their pK\(_b\) values.
What is Z in the following set of reactions?
Acetophenone can be prepared from which of the following reactants?
What are \(X\) and \(Y\) in the following reactions?
What are \(X\) and \(Y\) respectively in the following reaction?
There are various electrical instruments used to measure current, power, voltage, etc. Some of them are briefly explained below:
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