Direction of the induced current by Lenz's law
This type of question, asked 3 times: 2021 Paper 5, 2021 Paper 23, 22 Jan 2026 S1. All 3 questions below, oldest first.
Try each one first, then open its answer.
Question 1
2021 Paper 5
20A conducting bar of length is free to slide on two parallel conducting rails as shown in the figure Two resistors and are connected across the ends of the rails. There is a uniform magnetic field pointing into the page. An external agent pulls the bar to the left at a constant speed . The correct statement about the directions of induced currents and flowing through and respectively is:Tap an option to check your answer.
Question 2
2021 Paper 23
17A coil is placed in a magnetic field as shown below: A current is induced in the coil because is:Tap an option to check your answer.
Question 3
22 Jan 2026 S1
20Three identical coils and are closely placed such that they share a common axis. is exactly midway. carries current in anti-clockwise direction while carries current in clockwise direction. An induced current flows through will be in clockwise direction whenTap an option to check your answer.