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12th CBSE
IMPORTANT
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Figure below shows a circular loop carrying a current I. Show the direction of the magnetic field with the help of lines of force.

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Important Questions on Magnetic Effect of Current

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 13
Which physical quantity has the unit Wb m-2? Is it a scalar or a vector quantity?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 14
An electric current is flowing due south along a power line. What is the direction of the magnetic field at a point (a) above it and (b) below it?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 15
How does a current carrying coil behave like a bar magnet?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 16
Draw the magnetic field lines due to a current carrying loop.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 17
How much is the flux density B at the centre of a long solenoid?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 18
What is a toroid?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 19
What is magnetic Lorentz force?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 20
Write the expression, in a vector form, for the Lorentz magnetic force F→ due to a charge moving with velocity v→ in a magnetic field B→. What is the direction of the magnetic force?