WorksheetsForce on a Current Carrying Conductor in Magnetic Field
Total questions: 15
Worksheet time: 15mins
Through two parallel wires A & B , 10 and 2 ampere of the currents are passed respectively in opposite direction. If the wire A is infinitely long and the length of the wire B is 2m. the force on the conductor B which is situated at 10 cm distance from A will be
8×10-6 N
8×10-5 N
4×10-5 N
4×10-5 N
Two parallel wires carry current in the same direction attract each other because of
Potential difference between them
Mutual inductance between them
Electric forces between them
Magnetic forces between them
A wire is parallel to the lines of the force of the magnetic field and the current flows in the wire. Then
The wire will experience a force along the direction of the magnetic field
The wire will not experience any force
The wire will experience the torque
The wire will experience a perpendicular force
A semicircular wire of radius r , carrying a current I, is placed in a magnetic field of the magnitude B .The force acting on it
can never be zero
can have the maximum magnitude 2BIr
can have the maximum magnitude BIπr
can have the maximum magnitude Bir
A experimenter investigates the variation of the force F between the long , parallel current carrying conductors a distance d apart .A straight –line graph should be obtained on plotting
F against d
F against d1
F against d21
log |F| against d
What is the force experienced by a current-carrying conductor placed in a magnetic field?
It is perpendicular to both the magnetic field and the current
It is parallel to the magnetic field
It is parallel to the current
It is zero
Which rule is used to determine the direction of force on a current-carrying conductor in a magnetic field?
Right-hand rule
Left-hand rule
Ampere's rule
Coulomb's rule
A conductor carrying a current of 5 A is placed in a magnetic field of 0.2 T. If the length of the conductor in the field is 0.3 m, what is the force on the conductor?
0.3 N
0.03 N
0.6 N
0.06 N
What happens to the force on a current-carrying conductor if the magnetic field strength is doubled?
The force is halved
The force is doubled
The force remains the same
The force is quadrupled
In which direction does the force act on a current-carrying conductor in a magnetic field?
Along the direction of the current
Opposite to the direction of the current
Perpendicular to both the current and the magnetic field
Along the direction of the magnetic field
A wire carrying a current of 10 A is placed in a magnetic field of 0.5 T. If the force on the wire is 2 N, what is the length of the wire in the magnetic field?
0.4 m
0.2 m
0.8 m
1.0 m
What is the effect of reversing the direction of current on the force experienced by a conductor in a magnetic field?
The force direction is reversed
The force magnitude is doubled
The force remains unchanged
The force becomes zero
Which of the following factors does NOT affect the force on a current-carrying conductor in a magnetic field?
Current in the conductor
Length of the conductor
Magnetic field strength
Color of the conductor
A rectangular loop carrying a current is placed in a uniform magnetic field. What is the net force on the loop?
Zero
Maximum at the edges
Depends on the orientation
Minimum at the center
If the angle between the magnetic field and the current direction is 90 degrees, what is the force on the conductor?
Zero
Maximum
Minimum
Depends on the current
