Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
PUNJAB BOARD PREVIOUS YEAR PAPERS-ELECTROMAGNETIC INDUCTION-EXERSICE
- What are eddy currents ?
Text Solution
|
- Define the term magnetic flux.
Text Solution
|
- Weber is the unit of which physical quantity ?
Text Solution
|
- State Lenz’s law of electromagnetic induction.
Text Solution
|
- What is the basic cause of induced e.m.f.?
Text Solution
|
- What is back emf ?
Text Solution
|
- What is meant by magnetic flux? State its S.I. unit.
Text Solution
|
- What is meant by magnetic flux? State its S.I. unit.
Text Solution
|
- State Lenz’s law of electromagnetic induction.
Text Solution
|
- Define S.I. unit of self inductance.
Text Solution
|
- What is meant by magnetic flux? State its S.I. unit.
Text Solution
|
- Define pH.
Text Solution
|
- Define S.I. unit of self inductance.
Text Solution
|
- State Lenz's rule to find direction of induced current.
Text Solution
|
- State Lenz’s law.Give one example to illustrate it.
Text Solution
|
- What are eddy currents ? Give experiment to explain their origion.
Text Solution
|
- State and explain Faraday’s law of electromagnetic induction.
Text Solution
|
- Define co-efficient of self-induction and find an expression for it fo...
Text Solution
|
- Prove that Lenz’s law obeysthe law of conservation of energy.
Text Solution
|
- Define co-efficient of mutual induction and find an expression for it.
Text Solution
|