A 200 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire.What is the length of the carbon wire?
A cyclotron for accelerating protons has a maximum radius of 0.600 m and has a magnetic field of 0.150 T.
(A) what is the cyclotron frequency?
(B) what is the kinetic energy of the protons when they emerge?
Mass (m) proton = 1.67×10-²⁷kg
Charge (q) proton = 1.60×10-¹⁹C
A circular antenna of area 3m² is installed at a particular place. The plane of the area of antenna is inclined at 47⁰ with the direction of Earth's magnetic field. If the magnitude of Earth's field at that place is 40773.9 nT, find the magnetic flux linked with the antenna.
At the instant an electron enters a uniform magnetic field of 0.500 T directed along the positive x-axis, its velocity has the following components; vx 2.00 x 10⁶m/s, vy = 0, and Vz = 3.00 x 10⁶ m/s. Find the radius and pitch of the helical path followed by the electron
A particle of charge 4.25 x 10-⁹C moves at 3.0 x 10 ⁴ m/s at 60° up the x-y plane through a uniform magnetic field of
5.0 x 10-³T directed along the +z - axis. Find the magnetic force on a particle.
The magnetic field strenght of a solenoid is 0.0270T. Its radius is 0.40 m and length is 0.40 m. How many turns are there in the solenoid if the steady current passing through it is 12.0 A?
A 12 mA steady current is flowing on a copper wire at a time interval of one
minute. Calculate the number of electrons passing on the copper wire
The range of projectile is 4 times of the height of projectile at an angle of?
A. 75
B. 76
C. 60
D. 90