Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Physics Mcqs
→
Electromagnetism
→
The standard vector symbol for flux density is ____________________?
Related MCQs
A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?
Heating a magnet will __________?
Galvanometer is a very sensitive device with__________?
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 __________?
The effective way to increase the sensitivity of a moving coil galvanometer is to__________?
An ammeter measures the total current flowing through a circuit when it is connected__________?
While measuring the unknown resistance the help of slide wire bridge a greatest accuracy can be achieved when__________?
Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________?
The sensitivity of a galvanometer is given by__________?
The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12Ω. Galvanometer resistance is__________?
The magnetic field strength of solenoid is__________?
Value of permeability of free space in SI units is__________?
The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________?
Magnetic flux and flux density are related by__________?
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 magnetic compass will be deflected if it is kept near a__________?
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 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__________?
A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is__________?
A wheat stone bridge is said to be balanced when__________?
A galvanometer basically is an instrument used to __________?
Coil of a galvanometer is suspended in a radial magnetic field so that the deflecting torque on the coil is always__________?
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__________?
In a multi range ammeter as the range increases __________?
Which one of the following is not an electromechanical instrument ?
When the coil of the galvanometer is in equilibrium then the deflecting couple is__________?
n instrument which can measure potential without drawing any current is__________?
An electron enters a region where the electric field E is perpendicular to the magnetic field B. It will suffer no deflection if__________?
SI unit of flux density is__________?
The relationship between Tesla and smaller unit Gauss of magnetic induction is given by__________?
Which one of the following material is most suitable for making core of an electromagnet ?
A magnetic field__________?
Two parallel wires carrying currents in the opposite directions__________?
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 ?
Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called__________?
The standard vector symbol for flux density is ____________________?
A. M
B. L
C. H
D. B
Correct Answer:
L
✔
Last Updated:
January 20, 2021