Metre bridge: resistance added in series to one gap and the new null point

1. A.
   6
2. B.
   9
3. C.
   12
4. D.
   15

Tap an option to check your answer.

1. A.
   $20\,\Omega$ , $30\,\Omega$
2. B.
   $22\,\Omega$ , $33\,\Omega$
3. C.
   $32\,\Omega$ , $48\,\Omega$
4. D.
   $40\,\Omega$ , $60\,\Omega$

Tap an option to check your answer.

1. A.
   In series with $9\ \Omega$
2. B.
   Parallel to $x\ \Omega$
3. C.
   In series with $x\ \Omega$
4. D.
   Parallel to $9\ \Omega$

Tap an option to check your answer.