A. C/BAN
B. CAN/B
C. BAN/C
D. ABC/N
Correct Answer: C/BAN ✔
Last Updated: January 20, 2021
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 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__________?
- The standard vector symbol for flux density is __________?
- 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__________?