Q1.
B = u0*I / 2R
= (4pi*10^-7*22*10^-3)/(2*pi*4.5)
= 9.8*10^-10 T
So, none of these
Please post 1 question at a time
magnitude of the magnetic field A looped wire of radius 450 cm carries a current of...
A long wire carries a current of 0.465 A. Find the magnitude of the magnetic field 0.685 m away from the wire. T
A long wire carries a current of 0.475 A. Find the magnitude of the magnetic field 0.740 m away from the wire.
A long wire carries a current of 0.515 A. Find the magnitude of the magnetic field 0.720 m away from the wire. I WILL RATE
A circular wire loop of radius 1.1 cm is placed in a magnetic field of magnitude 2.2 T. If the magnetic field goes to zero in a time of 5 s, what is the magnitude of the current induced in the loop? The wire has a diameter of 2 mm, and the resistivity of copper is 1.7 x 10-8 Ohm-m. ______________A
A thin wire carries a current of 75.0 A. What is the magnitude of the magnetic field 3.00 cm from the center of the wire? μ0 = 4π x 10-7 T-m/A A. 4.50 x 107 T B. 3.14 x 10-3 T C. 7.96 x 10-5 T D. 2.21 x 10-8 T E. 5.00 x 10-4 T
A thin wire carries a current of 75.0 A. What is the magnitude of the magnetic field 3.00 cm from the center of the wire? HO = 4 x 10-7 T-m/A ОА 2.21 x 10-8 OB. 5.00 x 10-41 3.14 x 1031 OD. 4.50 x 1071 7.96 x 1057 Ос. ОЕ.
magnitude and direction of the magnetic field 2. A 0.3-m long wire of 8.7g carries 10 A of current as shown. What is the magnitude and direction of the field needed to levitate the wire?
A wire 2.80 m in length carries a current of 8.00 A in a region where a uniform magnetic field has a magnitude of 0.450 T. Calculate the magnitude of the magnetic force on the wire assuming the following angles between the magnetic field and the current. (a) 60.0° (b) 90.0° (c) 120°
A long straight wire carries a current I. At 1.0cm from the wire, the magnetic field has a magnitude of 2.0 x 10-5T. How far from the wire must you be so that the magnetic field due to the wire has a magnitude of 5.0 x 10-6T? ______cm
A wire 2.80 m in length carries a current of 6.40 A in a region where a uniform magnetic field has a magnitude of 0.360 T. Calculate the magnitude of the magnetic force on the wire for the following angles between the magnetic field and the current (a) 60.0° N (b) 90.0° N (c) 120° N