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Physics 914 MCQs [All-Courses]

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.

Magnetic flux and flux density are related by___________________?

A magnetic flux = flux density / area

B magnetic flux = flux density x area

C flux density = magnetic flux area

D flux density = magnetic flux x area

Review Detailed Answer

Correct Answer: magnetic flux = flux density x area

Systolic pressure is called_______________?

A Low blood pressure

B High blood pressure

C Normal blood pressure

D Abnormal blood pressure

Review Detailed Answer

Correct Answer: High blood pressure

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

Review Detailed Answer

Correct Answer: τ = NIAB

One torr is equal to_________________?

A 1.333 Nm-2

B .1333 Nm-2

C 13.33 Nm-2

D 133.3 Nm2

Review Detailed Answer

Correct Answer: 133.3 Nm2

A magnetic compass will be deflected if it is kept near a____________________?

A charge in motion

B charge at rest

C both

D none

Review Detailed Answer

Correct Answer: charge in motion

Stokes law is applicable if body has __________shape?

A Rough

B Square

C Circular

D Spherical

Review Detailed Answer

Correct Answer: Spherical

When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

A R=qB/mV

B R=mV/qB

C R=qmV/B

D R=qmB/V

Review Detailed Answer

Correct Answer: R=mV/qB

In cricket when a bowler produce reverse swing the ball will move towards______________?

A The shinning side of the ball

B Rough side

C The seam of the ball

D Goes straight

Review Detailed Answer

Correct Answer: The shinning side of the ball

A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

A F=1/B

B F=1/Bsinθ

C F/0

D F=1/Bcosθ

Review Detailed Answer

Correct Answer: F/0

If a current carrying solenoid is suspended freely it will__________________?

A be rotating

B come to rest in N-S direction

C vibrating like galvanometer needle

D comes to rest after rotation

Review Detailed Answer

Correct Answer: come to rest in N-S direction

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Physics 914 MCQs [All-Courses]

All Topics 914

All Topics 914

Magnetic flux and flux density are related by___________________?

Systolic pressure is called_______________?

If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

One torr is equal to_________________?

A magnetic compass will be deflected if it is kept near a____________________?

Stokes law is applicable if body has __________shape?

When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

In cricket when a bowler produce reverse swing the ball will move towards______________?

A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

If a current carrying solenoid is suspended freely it will__________________?