(A) Arranging
(B) Gathering
(C) Calculating
(D) Manipulating
Tag: Physics Mcqs
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