Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A square loop of side 2a, and carrying current I, is kept in XZ plane with its centre at origin. A long wire carrying the same...
- A galvanometer of resistance G is converted into a voltmeter of range 0 – 1V by connecting a resistance R_1 in series with it....
- An electron is constrained to move along the y-axis with a speed of 0.1 c (c is the speed of light) in the presence of...
- An iron rod of volume 10^ -3 m ^3 and relative permeability 1000 is placed as core in a solenoid with 10 turns/cm. If a current...
- A particle of charge q and mass m is moving with a velocity v i (v > 0) towards a large screen placed in the Y–Z plane at a...
- An electron is moving along +x direction with a velocity of 6 10^6 ms ^ -1 . It enters a region of uniform electric field of 300...
- A charged particle going around in a circle can be considered to be a current loop. A particle of mass m carrying charge q is...
- A square loop of side 2a and carrying current I is kept in xz plane with its centre at origin. A long wire carrying the same...
- A tightly wound 100 turns coil of radius 10 cm carries a current of 7 A. The magnitude of the magnetic field at the centre of the...
- A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic field at the centre of the solenoid is...
- Given below are two statements : Statement I : Biot-Savart's law gives us the expression for the magnetic field strength of an...
- A long solenoid of radius 1 mm has 100 turns per mm. If 1 A current flows in the solenoid, the magnetic field strength at the...
- From Ampere's circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of...
- 1 μC charge moving with velocity v = ( i - 2 j + 3 k) m/s in the region of magnetic field B = (2 i + 3 j - 5 k) T. The magnitude...
- A voltmeter with internal resistance of x Ω can be used to measure upto 20 V. In order to increase its measuring range to 30 V,...
- A circular coil of radius 2 cm and 125 turns carries a current of 1 A. The coil is placed in a uniform magnetic field of...
- The charged particle moving in a uniform magnetic field of (3î+2ĵ) T has an acceleration (4 i- x2 j ) m/s². The value of x is...
- A current of 30 A each flows in opposite directions in two conducting wires, placed parallel to each other at a distance of 8 cm....
- A moving coil of galvanometer when shunted with 2 Ω resistance gives a full scale deflection for a current of 500 mA. When a...
- A current carrying circular loop of radius 2 cm with unit normal n= k+ i 2 is placed in a magnetic field, B=B_0(3 i+2 k). If B₀ =...
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