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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two straight conducting rails form a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves with constant velocity v along them as shown in Fig. A magnetic field B is directed into the page. the induced emf in the circuit at any time t is proportional to

Two straight conducting rails form a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves with constant velocity v along them as shown in Fig. A magnetic field B is directed into the page. the induced emf in the circuit at any time t is proportional to

A rectangular coil 20 cm×10 cm having 500 turns rotates in a magnetic field of 5 × 10^−3 T with a frequency of 1200 rev/min about an axis perpendicular to the field.