Question

The rod PQ slides along 2 parallel rails as shown in the figure. It has a length of 20 cm and is perpendicular to the 2 rails. It performs simple harmonic motion with amplitude 5 cm and frequency 10 Hz. The magnetic field is 10-4T and is directed perpendicular to the plane of paper. What is the peak induced electro-magnetic force?

• A. 2$\pi$x10-7 V
• B. 4π2x10-3 V
• C. 2$\pi$x10-5 V
• D. 4$\pi$x10-5 V
• E. $\pi$2x10-4 V

Answer 1

Answer: (C)

2$\pi$x10-5 V

Answer 2

The correct answer is (C): 2$\pi$x10-5 V