Description : Electric field strength on a dust particle having charge equal to 8 × 10- 19 when plates are separated by distance of 2 cm and have a potential difference of 5 kV is A. 2.0 × 10-13 N B. 3 N C. 5 N D. 20 N
Last Answer : 2.0 × 10-13 N
Description : Electric field strength related to hall voltage is given by A. VHd B. VH⁄d C. VHE D. Ed
Last Answer : VH⁄d
Description : When distance from center is doubled then electric field strength will A. decrease by the factor of four B. increase by factor of four C. will be same D. decrease by factor of two
Last Answer : decrease by the factor of four
Description : Which of the following phrases completes the following statement: The strength of the electric field between two oppositely charged parallel plates is: w) a maximum midway between the plates x) a maximum ... plate y) constant between the plates except near the edges z) zero midway between the plates
Last Answer : ANSWER: Y -- CONSTANT BETWEEN THE PLATES EXCEPT NEAR THE EDGES
Description : What is the unit of electric field strength? A. Watt/meter B. Ohms/meter C. Ampere/meter D. Watt/meter2 E. No answer
Last Answer : E. No answer
Last Answer : The unit of electric field strength E is Volts/metre, nt/coul, joules/coulmetre.
Description : Polarizability is defined as the a) Product of dipole moment and electric field b) Ratio of dipole moment to electric field c) Ratio of electric field to dipole moment d) Product of dielectric constant and dipole moment
Last Answer : b) Ratio of dipole moment to electric field
Description : The electric field intensity is defined as a) Force per unit charge b) Force on a test charge c) Force per unit charge on a test charge d) Product of force and charge
Last Answer : c) Force per unit charge on a test charge
Description : What is a suitable unit for expressing electric field strength? -General Knowledge
Last Answer : The answer is 'N/C'
Last Answer : answer:
Description : The propeller shaft speed in a turbo-electric, synchronous, propulsion drive motor is changed by varying the __________. A. turbine speed B. number of motor poles C. field strength of the generator D. field strength of the motor
Last Answer : Answer: A
Description : The amount of mechanical force or torque produced by an electric motor depends on the ________________. A. strength of its magnetic field B. amount of armature current flow C. length of conductor in the field D. all of the above
Last Answer : Answer: D
Description : In an AC synchronous motor electric propulsion plant, propeller speed is controlled by varying the _____________. A. prime mover speed B. electric coupling field strength C. number of energized main motor poles D. propulsion generator field strength
Description : How does the electric field strength of a standard broadcast station vary with the distance from the antenna? A. The field strength of a standard broadcast station vary with the distance from ... the distance from the antenna D. The field strength varies inversely as the distance from the antenna
Last Answer : D. The field strength varies inversely as the distance from the antenna
Description : What is a suitable unit for expressing electric field strength?
Last Answer : N/C
Description : Read More Details about this McqTesla is the unit of-------------? A. Magnetic Field Strength (Answer) B. Electric Field Strength C. Gravitational Field Strength D. Nuclear Field Strength
Last Answer : A. Magnetic Field Strength (Answer)
Description : Dipole moments are used to calculate the a) Electric field intensity b) Polarisation patterns c) Strength of the dipole in the field d) Susceptibility
Last Answer : b) Polarisation patterns
Description : Determine the charge that produces an electric field strength of 40 V/cm at a distance of 30cm in vacuum(in 10 -8 C) a) 4 b) 2 c) 8 d) 6
Last Answer : a) 4
Description : The radiation pattern plotted in terms of electric field strength or power density
Last Answer : absolute radiation pattern
Description : When the field is strong, the lines of force are: (a) Closer (b) Parallel (c) Farther (d) All of above 45. The electric lines of force determine the strength of an: (a) Gravitational field (b) Constant field (c) Magnetic field (d) Electric field
Last Answer : d) Electric field
Last Answer : the electric field strength of a charge decreases with square of distance.
Description : Which of the following is not correct? (1) Ammeter measures the strength of electric current. (2) Lactometer measures the relative density of milk. (3) Rain gauge measures rain fall (4) Hygrometer measures sound under water.
Last Answer : (4) Hygrometer measures sound under water. Explanation: A hygrometer is a weather instrument used to measure the amount of humidity in the atmosphere
Description : Torricelli's theorem states that the velocity ‘v’ of the liquid emerging from the bottom of the wide tank is given by √(2gh). In practice, this velocity is: A. equal to √(2gh) B. greater than √(2gh) C. lesser than √(2gh) D. independent of height and gravitational field strength
Last Answer : lesser than √(2gh
Description : Period of simple harmonic motion of a spiral spring or elastic thread is given by A. T = 2π (extension produced/gravitational field strength) B. T = 2π (extension produced/√( ... (extension produced)/gravitational field strength) D. T = 2π √(extension produced/gravitational field strength)
Last Answer : T = 2π × √(extension produced/gravitational field strength)
Description : Velocity of escape is equal to A. r √(2g); where r: radius of Earth or any other planet for that matter, g: gravitational field strength B. g √(2r); where r: radius of ... (2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
Last Answer : √(2gr); where r: radius of Earth or any other planet for that matter, g: gravitational field strength
Description : As distance increases, value of gravitational field strength A. also increases B. decreases C. remains constant D. may increase or decrease
Last Answer : decreases
Description : Spacing between field lines indicates A. direction of field lines B. strength of field lines C. magnitude of field lines D. work done by field lines
Last Answer : magnitude of field lines
Description : Decrease in field strength on top of Mount Everest is A. 10% B. 5% C. 1% D. 0.3%
Last Answer : 0.3%
Description : Mass of Earth when it's radius is 6400 km and gravitational field strength is 9.81 N kg-1 is A. 6.0 × 1024 kg B. 5 × 1023 kg C. 40 × 109 kg D. 9 × 1024 kg
Last Answer : 5 × 1023 kg
Description : Strength of magnetic field of solenoid can be increased by adding core made of A. copper B. ferrous C. silver D. aluminum
Last Answer : ferrous
Description : Strength of magnetic field is known as A. flux B. density C. magnetic strength D. magnetic flux density
Last Answer : magnetic strength
Description : The Tesla and the Gauss are units of measure of: w) conductance x) magnetic field strength y) magnetic flux z) electrical current
Last Answer : ANSWER: X -- MAGNETIC FIELD STRENGTH
Description : Sensitivity of a soil can be defined as (A) Percentage of volume change of soil under saturated condition (B) Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state (C) Ratio of volume of voids to volume of solids (D) None of the above
Last Answer : Answer: Option B
Description : Characteristic strength of steel has been defined as [ A ] 0.1 % proof stress [ B ] 0.2 % proof stress [ C ] 0.4 % proof stress [ D ] Equal to proof stress
Last Answer : [ B ] 0.2 % proof stress
Description : Who invented the electric field line to get an idea about the electric field ?
Last Answer : : Michael Faraday introduced the electric field line to get an idea of the electric field.
Description : As a result of electric current a magnetic field is created around it , from whose test can it be realized ?
Last Answer : An electric current creates a magnetic field around it , as can be seen from Hans Christian Werstead's experiments.
Description : Flemings "Left hand Rule" is associated with the effect of – (1) Electric field on current (2) Magnetic field on magnet (3) Electric field on magnet (4) Magnetic Field on current
Last Answer : (4) Magnetic Field on current Explanation: Whenever, a current carrying conductor comes under a magnetic field, there will be force acting on the conductor and on the other hand, if a conductor ... conductor. In both of the phenomenon, there is a relation between magnetic field, current and force.
Description : A current carrying conductor is associated with – (1) a magnetic field (2) an electric field (3) an electro-magnetic field (4) an electrostatic field
Last Answer : (3) an electro-magnetic field Explanation: A current carrying conductor, such as a metal wire, will produce a magnetic field around it because of the motion of charge within the wire itself. This motion produces or sets up a magnetic field around the wire in the form of concentric circles.
Description : Moving electric charge produces - (1) magnetic field (2) sound waves (3) light rays (4) heat waves
Last Answer : (1) magnetic field Explanation: An electric charge always produces an electric field, regardless of speed, and a moving charge generates a magnetic field. An electric current passing through a conductor produces a magnetic field because it has many charges in motion.
Description : If we reverse the direction of electric current, then the direction of magnetic field will be A. reversed B. remains same C. becomes tangent D. becomes norma
Last Answer : reversed
Description : F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other
Last Answer : at right angles to each other
Description : Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage
Last Answer : electric field
Description : Magnetic field can be produced by using A. permanent magnet B. electric current C. temporary magnet D. both A and B
Last Answer : permanent magnet
Description : Where an electric charge experiences a force, there is an A. electric field B. magnetic field C. electric current D. conventional current
Description : Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above
Last Answer : magnetic flux density
Description : In an electric field, energy per unit positive charge is A. voltage B. current C. frequency D. resistance
Last Answer : voltage
Description : The electric field of a point charge varies: w) linearly with distance and inversely with charge x) linearly with distance and inversely with charge squared y) linearly with charge and inversely with distance squared z) linearly with charge and inversely with distance
Last Answer : ANSWER: Z -- LINEARLY WITH CHARGE AND INVERSELY WITH DISTANCE
Description : At a point directly east of a negative point charge, the electric field points in what direction?
Last Answer : ANSWER: WEST
Description : Who received the Nobel Prize in Physics in 1923 for his experiment which measured the charge of the electron. The experiment consisted of allowing drops of oil which had become charged to fall in an electric field.
Last Answer : ANSWER: (ROBERT ANDREWS) MILLIKAN