Moving Charges and Magnetism questions
775 published questions with worked solutions.
- Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage...
- Cyclotron is used to
- The magnetic field at the centre of a current carrying circular coil of area 'A' is 'B'. The magnetic moment of the coil is ( _0...
- A galvanometer of resistance 'G' is shunted by resistance of 'S' ohm. To keep the main current in the circuit unchanged the...
- Two identical current carrying coils with same centre are places with their planes perpendicular to each other. If current I= 2 A...
- When a galvanometer is shunted by a resistance 'S', its current capacity increases 'n' times. If the same galvanometer is shunted...
- A charged particle is moving along a magnetic field line. What is the magnetic force acting on the particle? ( 0^0 = 0, 2 = 1 )
- A current of 5A flows through a toroid having a core of mean radius 20 cm. If 4000 turns of the conduction wire are wound on the...
- A particle having a charge 50 e is revolving in a circular path of radius 0.4 m with 1 r. p. s. The magnetic field produced at...
- A particle carrying a charge equal to 100 times the charge on electron is rotating one rotation per second in a circular path of...
- When a galvanometer is shunted by a resistance 's', its current capacity increases 'n' times. If the same galvanometer is shunted...
- A charged particle of charge 'q' is accelerated by a potential difference 'V' enters a region of uniform magnetic field 'B' at...
- A charged particle is moving in a uniform magnetic field in a circular path with radius 'R'. when the energy of the particle is...
- A galvanometer of resistance 'G' can be converted into a voltmeter of range (V) by connecting a resistance 'R' in series with it....
- A long wire carries a steady current. It is bent into a coil of one turn such that magnetic induction at centre is B, then same...
- A current carrying circular coil of radius 'R' has a point P situated on its axis at a distance 'x' from its centre 'o' of the...
- A galvanometer of resistance G has voltage range V_g. Resistance required to convert it to read voltage up to V is
- Two long parallel wires separated by distance 'd' carry currents I_1 and I_2 in the same direction. They exert a force F on each...
- A photon of energy 'E' ejects photoelectrons from a metal surface whose work function is W_0. If this electron enters into...
- A proton moving in perpendicular magnetic field possesses energy 'E'. The strength of magnetic field is increased four times. But...
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