Question

a conducting wire 20cm long,bent into rectangular loop 6cm × 4cm is placed perpendicular to the magnetic field of induction 0.5 t . within 0.1 s,the loop is changed to a square and magnetic

Answer 1

Explanation:

A wire 40cm long bent into a rectangular loop 15cm × 5cm is placed perpendicular to a magnetic field whose flux density is 0.8 wb/m2. Within 0.5s the loop is changed into a 10cm square and flux density increased to 1.4 wb/m2. The induced emf is

Answer

1.6 × 10-2 V