A. N.m
B. joule
C. Both a and b are correct
D. Neither a nor b is correct
Related Mcqs:
- The dimension of torque is______________?
A. [ML2T-2]
B. [MLT-2]
C. [ML2T]
D. [ML-2T-2] - Torque is defined as______________?
A. Turning effect of force
B. Cross product of position vector and force
C. Product of force and moment arm
D. All A, B and C are correct - Torque acting on a body determines_______________?
A. Acceleration
B. Linear acceleration
C. Angular acceleration
D. Direction of motion of the body - Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?
A. BINA cosa
B. BINA sina
C. BINA tana
D. BINA - If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?
A. τ = NIAB cosφ
B. τ = NIAB sinφ
C. τ = NIAB tanφ
D. τ = NIAB - Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?
A. magnetic flux
B. magnetic field intensity
C. magnetic induction
D. self inductance - The direction of the linear velocity of a body moving in a circle is______________?
A. along the axis of rotation
B. along the tangent
C. directed towards the centre
D. directed away from the centre - The angular speed of seconds hand of a watch in rads-1 is______________?
A. π
B. π/2
C. π/30
D. π/180 - The planet nearest to the earth is______________?
A. Venus
B. Mercury
C. Uranus
D. Sun - Two convex lenses of equal focal length f are placed in contact the resultant focal length of the combination is______________?
A. zero
B. focus
C. 2 f
D. f/2
