A negatively charged particle of mass m having magnitude of charge q enters a magnetic field B = B0 K T at point P ( 3 M
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A non-conducting rod having circular cross section of radius R is suspended from a rigid support as shown in fig. A light and small coil of 300turns is wrapped tightly at the left end where uniform magnetic filed B exists in vertically downward direction. Air of density ρ hits the half of the right part of the rod with velocity V as shown in the fig. What should be current in clockwise direction (as seen from O) in the coil so that rod remains horizontal? Give answer in mA.
16
Oct
A non-conducting rod having circular cross section of radius R is suspended from a rigid support as shown in fig. A light and small coil of 300turns is wrapped tightly at the left end where uniform magnetic filed B exists in vertically downward direction. Air of density ρ hits the half of the right part [...]
A small coil C with N = 200 turns is mounted on one end of a balance beam and introduced between the poles of an electromagnet as shown in figure. The cross sectional area of coil is A = 1.0 cm^2, length of arm OA of the balance beam is l = 30 cm. When there is no current in the coil the balance is in equilibrium. On passing a current I = 22 mA through the coil the equilibrium is restored by putting the additional counter weight of mass Δm = 60 mg on the balance pan.
16
Oct
A small coil C with N = 200 turns is mounted on one end of a balance beam and introduced between the poles of an electromagnet as shown in figure. The cross sectional area of coil is A = 1.0 cm^2, length of arm OA of the balance beam is l = 30 cm. When [...]
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0 ) with velocity v0 = 3 j + 4 k m/s at t = 0 as shown in the figure [ Given qB0 / m = 1 rad/s ] [ No other field is present ] ,
A negatively charged particle of mass m having magnitude of charge q enters a magnetic field B = B0 K T at point P ( 3 M ,
A small coil C with N = 200 turns is mounted on one end of a balance beam and introduced between the poles of an electromagnet as shown in figure. The cross sectional area of coil is A = 1.0 cm^2 ,
A negatively charged particle of mass m having magnitude of charge q enters a magnetic field B = B0 K T at point P ( 3 M, 0 , 0 ) with velocity v0 = 3 j + 4 k m/s at t = 0 as shown in the figure [ Given qB0 / m = 1 rad/s ] [ No other field is present ]
16
Oct
A negatively charged particle of mass m having magnitude of charge q enters a magnetic field B = B0 K T at point P ( 3 M, 0 , 0 ) with velocity v0 = 3 j + 4 k m/s at t = 0 as shown in the figure [ Given qB0 / m [...]