Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A single square loop of wire 12.0 cm on a side is placed with its face parallel to the magnetic field between the pole pieces of a large magnet . when 8.10 A flows in the coil , the torque on it 0.355 m:*N.
What is the magnetic field strength?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A positive charge and a negative charge held near each other are released. As they move, the force on each particle a. increases b. decreases c.stays the same.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
The magnetic north pole of the Earth is nearest a. the Hudson Bay region of Canada b. Australia c. bothof these
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
Determine the magnitude of the magnetic field midway between two long straight wires 0.6 cm apart in terms of the current 1.0 E1 A in one when the other carries 2.0 E1 A. Assume that the currents are in the same direction.
Determine the magnitude of the magnetic field midway between two long straight wires 0.6 cm aspart in terms of the current 1.0 E1 A in one when the other carries 2.0 E1 A. Assume that the currents are in the opposite direction.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A power line carries a current of 92 A along the tops of 9.3-m - high poles.
What is the magnitude of the magnetic field produced by this wire at the ground?
How does this compare with the Earth,s field of about 1/2 G?
The Field of the cable is about ---% that of the Earth.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
Determine the magnitude of the force between two parallel wires 26 m long and 6.8 cm apart, each carrying 21 A in the same direction.
Determine the direction of the force between two parallel wires 26 m long and 6.8 cm apart, each carrying 21 A in the same direction.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A jumper cable used to start a stalled vehile carries a 83- A current.
How strong is the magnetic field 5.2 cm away from it?
Compare to the Earth,s magnetic field of 0.50 E-4 T.
The field of the cable is about--- times that of Earth.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
The force on a wire carrying 7.90 A is a maximum of 1.61 N when placed between the pole faces of a magnet.If the pole faces are 55.0 cm in diameter, what is the approximate strength of the magnetic field?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A 2.50-m length of wire carrying 5.4 A of current is oriented horizontally. At that point on the Earth,s surface,the dip angle of the Earth,s magnetic field makes an angle of 45% to the wire. Estimate the magnitude of the magnetic force on the wire due to the Earth,s magnetic field of 5.5E-5 T at this point.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
The magnetic field inside an air - filled solenoid 39 cm long and 1.0 cm in diameter is 0.40 T. Approximately how much energy is stored in this field?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A current I = 0.005859 A flows through a wire. Find the magnetic field B at a perpendicular distance r = 0.0929 m from the wire.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A 5824 turn coil carries a current I and has radius R =0.03696 m. If the magnetic field at the center of the coil is B =0.000122 Tesla, determine the magnitude of the current.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
An N = 36 turn circular coil of radius r = 0.0005579 m carries a current I = 0.006765 A. The coil s normal makes an angle 0 =46.53 % with respect to a uniform magnetic field of magnitude B. The coil experiences a torque r =0.0008442 N m. Find B.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
Why does a compass needle inmost places not point due north?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A length of copper wire A B rests across a pair of parallel copper wires that are connected to a battery through a switch. The arrangement is placed between the poles of a magnet and the switch is closed. In what direction does the wire A B move?
