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        .

SI unit of flux density is____________________?

A. NA-1m-1
B. NAm-1
C. NmA-1
D. NmA-2

The standard vector symbol for flux density is ____________________?

A. M
B. L
C. H
D. B

An electron enters a region where the electric field E is perpendicular to the magnetic field B. It will suffer no deflection if_________________?

A. E = BeV
B. B = eE/V
C. E = BV
D. E = BeV/2

An instrument which can measure potential without drawing any current is_____________________?

A. voltmeter
B. galvanometer
C. cathode ray oscilloscope (CRO)
D. ammeter

When the coil of the galvanometer is in equilibrium then the deflecting couple is____________________?

A. zero
B. equal to the restoring couple
C. greater than the restoring couple
D. smaller than the restoring couple

Which one of the following is not an electromechanical instrument ?

A. galvanometer
B. voltmeter
C. ammeter
D. AC transformer and DC generator

In a multi range ammeter as the range increases _____________________?

A. shunt value decreases
B. shunt value increases
C. shunt value remains the same
D. none of the above

A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

A. 2.0 mA
B. 20 mA
C. 200 mA
D. 0.2 mA

Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always___________________?

A. BINA cosa
B. BINA sina
C. BINA tana
D. BINA

A galvanometer basically is an instrument used to ____________________?

A. detect current in a circuit
B. measure current flowing through a circuit
C. measure voltage across a circuit
D. measure potential difference between two points in a circuit

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