Question Answers

Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A uniform magnetic field B exist in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has diameter of 4 mm and a total length of 30 cm . The magnetic field changes with time at a steady rate dB/dt = 0.032 T s^(-1) . The induced current in the loop is close to

A uniform magnetic field B exist in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has diameter of 4 mm and a total length of 30 cm . The magnetic field changes with time at a steady rate dB/dt = 0.032 T s^(-1) . The induced current in the loop is close to

A balloon filled with helium (32°C and 1.7 atm.) bursts. Immediately afterwards the expansion of helium can be considered as