MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is a magnetic field? How can the direction of magnetic field lines at a place be determined? 

Important Questions on Magnetic Effects of Electric Current

EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 12
State the rule for the direction of magnetic field produced around a current carrying conductor. Draw a sketch of pattern of field lines due to the current flowing through a straight conductor. 
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 12
What is a solenoid? Draw a sketch of the pattern of field lines of magnetic field inside and outside the loop.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 12
Consider a circular loop of wire. Let the current pass through the loop clockwise. Apply the right hand rule to find the direction of magnetic field inside and outside the loop.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 13
Why does a magnetic compass needle pointing North and South in the absence of a nearby magnet get deflected when a bar magnet or a current carrying loop is brought near it. Describe some salient features of magnetic lines of field concept.
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 14
With the help of a labelled circuit diagram illustrate the pattern of field lines of the magnetic field around a current-carrying straight long conducting wire. How is the right-hand thumb rule useful to find the direction of the magnetic field associated with a current-carrying conductor? 
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4A>Q 15
Explain with the help of a labelled diagram the distribution of magnetic field due to a current through a circular loop. Why is it that if a current carrying coil has n turns the field produced at any point is n times as large as that produced by a single turn?
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4B>Q 1
Fleming's left-hand rule is applied when:
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 4 - Magnetic Effects of Electric Current>EXERCISE - 4B>Q 2
An electric device which converts electric energy into mechanical energy is called: