Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A circular arc of radius r carrying current 'I' subtends an angle 8 at its centre. The radius of a metal wire is uniform. The...
- A charged particle moves through a magnetic field perpendicular to its direction. Then
- Two parallel wires of equal lengths are separated by a distance of 3m from each other. The currents flowing through first and...
- A wire length L is bent in the form of a circular coil and current 'i' passes through it. This coil is kept in magnetic field....
- Two long conductors separated by a distance 'd' carry currents I_1 and I_2 in the same direction. They exert a force 'F' on each...
- A circular arc of radius 'r' carrying current 'I' subtends an angle 16 at its center. The radius of a metal wire is uniform. The...
- A closely wound coil of 100 turns and of cross-section 1 , cm ^ 2 has a coefficient of self inductance 1 mH. The magnetic...
- Magnetic field at the centre of a circular loop of area 'A' is 'B'. The magnetic moment of the loop will be
- The magnetic flux near the axis and inside the air core solenoid of length 80 cm carrying current 'I' is 1.57 10^ -6 Wb. its...
- Two long straight parallel wires are separated by a distance '2d'. each wire carries a current 'I' in the same direction. The...
- An electron and a proton having same momenta enter perpendicular into a magnetic field then
- Two parallel conducting wires of equal length are placed distance 'd' apart carry currents 'I_1' and 'I_2' respectively in...
- A galvanometer of resistance 200 is to be converted into an ammeter. The value of shunt resistance which allows 3% of the mains...
- A charge moves in a circular path perpendicular to a magnetic field. The time period of revolution is independent of
- If the distance between two current carrying parallel wires is made 1 3 rd then the magnitude of the force between them (same...
- An electron accelerated through potential difference 'v' passes through a uniform transverse magnetic field and experiences a...
- An electron moving around the nucleus with an angular momentum 'L' has a magnetic moment (e = charge on electron, m = mass of...
- Two concentric circular coils of 10 turns each are situated in the same plane. Their radii are 20 cm and 40 cm and they carry...
- An electron makes a full rotation in a circle of radius 0.8 m in one second. The magnetic field at the centre of the circle is (...
- The magnetic moment of a current (I) carrying circular coil of radius 'r' and number of turns 'n' depends on
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