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Physics 914 MCQs [All-Courses]

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Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas. 

All Topics  914

Galvanometer is a very sensitive device with______________________?
A very low damping
B very high damping
C no damping at all
D radial field disintegration
Correct Answer: very low damping
Bernoulli’s equation is applicable for_________________?
A Laminar flow
B Turbulent flow
C Both laminar and turbulent flow
D None of these
Correct Answer: Both laminar and turbulent flow
When an electron moving with a uniform speed in a vacuum enters a magnetic field in a direction perpendicular to the field the subsequent path of the electron is ___________________?
A a straight line parallel to the field
B a parabola in a plane perpendicular to the field
C a circle in a plane perpendicular to the field
D a straight line along its initial direction
Correct Answer: a circle in a plane perpendicular to the field
The profile of aeroplane wing which lifts it up is called as_____________?
A Wing shape
B Aerofoil profile
C Curved profile
D None of these
Correct Answer: Aerofoil profile
The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?
A use a very long and fine suspension
B use a coil of very large area
C use a coil with very large number of turns
D use a very strong magnetic field
Correct Answer: use a very strong magnetic field
An ammeter measures the total current flowing through a circuit when it is connected__________________?
A in series with the circuit
B in parallel with circuit
C in series with any of the parallel resistances in the circuit
D in parallel with any of the series resistances in the circuit
Correct Answer: in series with the circuit
While measuring the unknown resistance the help of slide wire bridge a greatest accuracy can be achieved when__________________?
A a most sensitive galvanometer is used
B a steady voltage cell is used
C the balance point is close to the middle of the wire
D a high resistance box is used in one of its gap
Correct Answer: the balance point is close to the middle of the wire
Sphygmomanometers measures blood pressure ?
A Statically
B Dynamically
C Some time static and sometimes dynamic
D None of these
Correct Answer: Dynamically
Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________________?
A 0.1 A
B 1:00 AM
C current sensitivity
D 1 m A
Correct Answer: current sensitivity
Laminar flow usually occurs at speeds_____________?
A Low
B High
C Very high
D Some time high and some time low
Correct Answer: Low
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