EASY
12th CBSE
IMPORTANT
Earn 100

A square coil, OPQR, of side a, carrying a current I, is placed in the Y-Z plane as shown in figure. Find the magnetic moment associated with this coil.

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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 1
Briefly describe Oersted's experiment leading to the discovery of magnetic effect of current. State Ampere's swimming rule.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 2
State Biot-Savart's law in vector form expressing the magnetic field due to an element dl→ carrying current I at a distance r→ from the element. How will you find the direction of the magnetic field?
MEDIUM
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 3
A wire of length L is bent into a semi-circular loop. Use Biot-Savart law to deduce an expression for the magnetic field at the centre due to current I passing through it.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 4
Using Biot-Savart's law, derive the expression for the magnitude of the magnetic field at the centre of a circular loop of radius r carrying a steady current I. Draw the field lines due to the current loop.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 5
State Biot-Savart law and express it in the vector form.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 5
Using Biot-Savart law, obtain the expression for the magnetic field due to a circular coil of radius r, carrying a current I at a point on its axis distant x from the centre of the coil.
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 6
State Ampere's circuital law and prove this law for a circular path around a long current carrying conductor.
MEDIUM
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 4 - Magnetic Effect of Current>Text Based Exercises>Q 7
State Ampere's circuital law. Use this law to find magnetic field due to straight infinite current.