Knock out the bridge myths

Exercise and reference answers

Questions

1. Question

   Three of these claims about the Wheatstone bridge are false.

   Choices

   1. Item

      Balance means zero galvanometer current

      Correct

      Yes

   2. Explanation

      The bridge is an arrangement of four resistances

      Item

      It is an arrangement of five resistances

   3. Explanation

      The meter bridge is the practical device built on it

      Item

      The meter bridge ignores its principle

   4. Explanation

      Balance is the null, zero deflection, condition

      Item

      Balance needs maximum deflection

Instructions

Tap each claim you can prove false. The true one stays put.

Explanation