For the post office arrangement to determine the value of unknown resistance, the unknown resistance should be connected between.

For the post office box arrangement to determine the value of unknown resistance, the unknown resistance should be connected between, (a) B and C (b) C and D (c) A and D (d) B_(1) and C_(1) . .

For the post office box arrangement to determine the value od unknown resistance, the unknown resistance should be connected between, (a) B and C (b) C and D (c) A and D (d) B_(1) and C_(1) . .

Describe the construction of meter bridge to determine an unknown resistance.

Shown in figure is a Post Office box. In order to calculate the value of external resistance, it should be connected between

Shown in figure is a Post Office box. In order to calculate the value of external resistance, it should be connected between

In the arrangement of resistances shown in figure. Find the value of unknown resistance X if the potential difference between B and D is zero.

Explain the use of Wheatstone's meter bridge to determine an unknown resistance.

In the circuit shown , what is the value of unknown resistance R, so that the total resistance of the circuit between P and Q Is also equal to R ?

What should be the value of unknown resistance R so that equivalent resistance between P and Q is also R ?