(A) Arranging
(B) Gathering
(C) Calculating
(D) Manipulating
Category: Physics Mcqs
Physics Mcqs for NTS, PPSC, FPSC, CSS, PMS, Educators, SPSC, Lecturer, BPSC, AJKPSC, PTS, PST, EST, SST and all other exams. Users will find mcqs related to mechanics, Thermodynamics, Photonics, study of heat, Distance, work, force, time, machines, study of electricity, magnetism, law of motion, nuclear physics, Quantum, relativity, solar system, and all the topics will be covered in the physics mcqs section.
If X=A+B then X=0 when?
(A) A=0, B=0
(B) A=1, B=1
(C) A=0, B=1
(D) A=1, B=0
___ of a DC motor reverses the direction of current through the coil every half cycle.
(A) The brushes
(B) The armature
(C) The commutator
(D) The split rings
What is the SI unit of e.m.f?
(A) NC-1
(B) NC
(C) CJ
(D) JC-1
If air is medium between two charges then the value of K in System International unit will be?
(A) 9×109Nm2C-2
(B) 9×10-9Nm2C-2
(C) 9×10-12Nm2C-2
(D) 9×1010Nm2C-2
What is the equation of electric intensity?
(A) E=q/F
(B) q=EF
(C) E=F/q
(D) F=-Eq
The refractive index of water is?
(A) 2.42
(B) 1.00
(C) 2.21
(D) 1.33
The intensity level of rusting of leaves is?
(A) 0 dB
(B) 30 dB
(C) 10 dB
(D) 40 dB