MEDIUM
12th Meghalaya Board
IMPORTANT
Earn 100

Give the uses of Foucault current​.

Important Questions on Electromagnetic Induction

EASY
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 11
How is Eddy current produced? How do they flow in a conductor?
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 12
State lenz's law and illustrate it with experiment .
MEDIUM
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 13

A wire in the form of a tightly wound solenoid is connected to a DC source, and carries a current. If the coil is stretched so that there are gaps between successive elements of the spiral coil, will the current increase or decrease? Explain.

EASY
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 14
 What are Lenz's law, Ampere's law and Faraday's law? 
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 15
Explain in brief the working of the induction furnace.
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 16
Explain in brief the working of electric power meter.
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 17
How do eddy currents cause power losses?
HARD
12th Meghalaya Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Electromagnetic Induction>Exercise>Q 18
Define electromagnetic damping.