# Physics MCQs

Physics Mcqs for Test Preparation from Basic to Advance. Physics Mcqs are from the different sections of Physics. Here you will find Mcqs of Physics and quantum physics subject from Basic to Advance. Which will help you to get higher marks in Physics subject. These Mcqs are useful for students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test, PTS, OTS, GTS, JTS, CTS, NTS        .

Many of the semi conductors are crystals of the type__________________?

A. Face centred cubic
B. Body centred cubic
C. Simple cubic
D. All of the above

Holes can exist in____________________?

A. Conductors
B. Insulators
C. Semi conductors
D. All of the above

In a semiconductors the charge carriers are ___________________?

A. Holes only
B. Electrons only
C. Electron and holes both
D. All of the above

The net charge on n-type material is____________________?

A. Positive
B. Negative
C. Both positive and negative
D. Neutral

Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

A. magnetic flux
B. magnetic field intensity
C. magnetic induction
D. self inductance

What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m2 when the force acting on the wire is 5N ?

A. 1A
B. 10A
C. 100A
D. 1000A

Two parallel wires carrying currents in the opposite directions____________________?

A. repel each other
B. attract each other
C. have no effect upon each other
D. they cancel out their individual magnetic fields

A magnetic field___________________?

A. always exerts a force on a charged particle
B. never exerts a force on a charged particles
C. exerts a force if the charged particle is moving in the direction of the magnetic field lines
D. exerts a force if the charged particle is moving perpendicular to the magnetic field lines

Which one of the following materials is most suitable for making the core of an electromagnet?

A. air
B. steel
C. Cu-Ni alloy
D. soft iron

The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?

A. 1T = 103 G
B. 1T = 10-4 G
C. 1T = 10-2 G
D. 1T = 104 G