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.Management Sciences
Category: Physics Mcqs
Which one is not a correct relation ?
A. AxB = -BxA
B. |AxB| = -|BxA|
C. AxB = AB Sinθn^
D. BxA = AB Sinθ(-n^)
The simplest type of rectification known as half wave rectification is obtained by____________________?
A. using a transistor
B. suppressing the harmonics in A.C voltage
C. suppressing half wave of A.C supply by using diode
D. using a Coolidge tube
Resistance of an ideal insulator is __________________?
A. infinite
B. zero
C. finite
D. depends upon nature
Which of the following is not an example of projectile motion ?
A. a gas filled ballon
B. bullet fired from gun
C. a football kicked
D. a base ball shot
Venturi meter is used to measure_________________?
A. Fluid pressure
B. Fluid density
C. Fluid speed
D. None
An electromagnetic wave consists of _____________________?
A. Electric and magnetic fields moving parallel to each other
B. Magnetic field moving with velocity of light in space
C. Electric field moving with velocity of light
D. Electric and magnetic fields moving perpendicular to each other
Errors in the transmission of power through optic fiber can be minimized by using a______________?
A. Multimode index fiber
B. Graded index fiber
C. Single mode step index fiber
D. Copper wire
The rectangular coordinate system is also called______________?
A. Polar coordinate system
B. Cartesian coordinate system
C. Cylindrical coordinate system
D. Spherical coordinate system
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
Which one is the correct representation of the unit of pressure ?
A. Newton/Meter2
B. newton/meter2
C. Newton/meter2
D. newton/Meter2
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