Description : In the Millikan oil-drop experiment the UPWARD force on the drop is due to the: w) gravitational and electric fields x) gravitational field and the charge on the drop y) electric field and the size of the drop z) electric field and the charge on the drop
Last Answer : ANSWER: Z -- ELECTRIC FIELD AND THE CHARGE ON THE DROP
Description : Weakest force in nature isA. electric force B. gravitational force C. weak force D. magnetic force
Last Answer : magnetic force
Description : Origin of gravitational field is A. charges B. masses C. Earth's core D. matter
Last Answer : masses
Description : What type of star have extremely intense gravitational and magnetic fields?
Last Answer : Feel Free to Answer
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
Description : The force of attraction (A) between two objects, whose masses are fixed, varies inversely with the square of their distance of separation 9d). The for
Last Answer : The force of attraction (A) between two objects, whose masses are fixed, varies inversely with the ... , if the attraction between them is 8 units?
Description : What are the OBSERVED differences between electric and magnetic fields?
Last Answer : answer:A changing magnetic field creates an electric current (a flow of electrically charged material). A changing electric current, in turn, creates a magnetic field.
Description : Magnetic fields are produced by: w) resistance x) an electric potential difference y) electric current z) stationary charge
Last Answer : ANSWER: Y -- CURRENT
Description : In an electromagnetic wave, what is the relative orientation of the magnetic and electric fields? w) 180 degrees x) 90 degrees y) 45 degrees z) 22.5 degrees
Last Answer : ANSWER: X -- 90 DEGREES
Description : The weakest of all fundamental forces is – (1) Gravitational force (2) Electrostatic force (3) Magnetic force (4) Nuclear force
Last Answer : (1) Gravitational force Explanation: In particle physics, fundamental interactions (sometimes called interactive forces or fundamental forces) are the ways that elementary particles interact with one another. ... weak interaction ("weak nuclear force"), and gravitation. All are non-contact forces.
Description : The strongest force in nature is – (1) Electrical force (2) Gravitational force (3) Nuclear force (4) Magnetic force
Last Answer : (3) Nuclear force Explanation: The nuclear force (or nucleonnucleon interaction or residual strong force) is the force between two or more nucleons. It is responsible for binding of protons and neutrons into atomic nuclei.
Description : In order to keep a body moving in a circle, there exists a force on it that is directed toward the center of the circle. This force is known asA. Centrifugal force B. Centripetal force C. Gravitational Force D. magnetic force
Last Answer : Centripetal force
Description : The strongest force in nature is (1) electrical force (2) gravitational force (3) nuclear force (4) magnetic force
Last Answer : nuclear force
Description : The weakest of all fundamental forces is (1) Gravitational force (2) Electrostatic force (3) Magnetic force (4) Nuclear force
Last Answer : Gravitational force
Description : The direction of heat flow between two objects depends on - (1) Their masses (2) Their heat contents (3) Their temperatures (4) Whether they are in solid, liquid or gaseous state
Last Answer : (3) Their temperatures Explanation: Heat always flows from a body at higher temperature to a body at a lower temperature.
Description : When current is parallel to magnetic fields, force on conductor is A. zeroB. infinite C. 2 times D. same
Last Answer : zero
Description : How does mass of objects affect gravitational force between objects?
Last Answer : The gravitational force is directly proportional to each of themasses.
Description : What two factors affect the gravitational force between two objects?
Last Answer : The two factors that affect the gravitational force between two objects are Mass and Distance.
Description : What gravitational force is reduced by between objects.?
Description : What happens to an objects mass when gravitational force is increased?
Last Answer : Nothing. The mass will not change with a gravitational increase,but the weight will.
Description : Do Objects of any size exert a gravitational force.?
Last Answer : If the object having some mass then for sure it exert agravitational force.The more the mass the more will be gravity.
Description : How does the gravitational force between two objects change if the mass of one the objects is doubted?
Last Answer : If the mass of both of the objects is doubled, then the force of gravity between them is quadrupled; and so on. Since gravitational force is inversely proportional to the square ... distance between the two interacting objects, more separation distance will result in weaker gravitational forces.
Description : The amount of gravitational force between objects depend on their?
Last Answer : The gravitational force between 2 objects depends on the masses of the objects and the distance between them. Links are provided. Newton's Law says, Force = Gravitational constant x mass of ... more on each other more than smaller masses, and the force decreases exponentially as distance increases.
Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal
Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL
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 : In motor a permanent magnet provides: a. Electric field b. electric flux c. magnetic field d. gravitational field
Last Answer : d. gravitational field
Description : In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each other and the intensity of the
Last Answer : In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each ... 01 T` and `E=50,000 V//m`.
Description : The forces of cathode ray particles due to electric and magnetic fields which are at right angles to each other balance each other. If the magnetic fi
Last Answer : The forces of cathode ray particles due to electric and magnetic fields which are at right angles to ... p.d. is required to produce this velocity?
Description : A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields in mutually perpendicular directi
Last Answer : A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields ... 1)` D. `1.33xx10^(3)NC^(-1)`
Description : What kinds of waves are produced by disturbances in electric and magnetic fields?
Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth. B. The magnetic field is parallel to the earth. C. Both the electric and magnetic fields are horizontal D. Both the electric and magnetic fields are vertical
Last Answer : A. The electric field is parallel to the earth.
Description : What are electromagnetic waves? A. Alternating currents in the core of an electromagnet B. A wave consisting of two electric fields at right angles to each other C. A wave consisting of an electric field ... to each other D. A wave consisting of two magnetic fields at right angles to each other
Last Answer : C. A wave consisting of an electric field and a magnetic field at right angles to each other
Description : What are electromagnetic waves? A. A wave consisting of two magnetic fields at right angles to each other B. A wave consisting of an electric field and a magnetic field at right angles to each ... core of an electromagnet D. A wave consisting of two electric fields at right angles to each other
Last Answer : B. A wave consisting of an electric field and a magnetic field at right angles to each other.
Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth B. Both the electric and magnetic fields are vertical C. Both the electric and magnetic fields are horizontal D. The magnetic fields is parallel to the earth
Last Answer : A. The electric field is parallel to the earth
Description : An electromagnetic wave consists of A. a magnetic field only B. both electric and magnetic fields C. an electric field only D. non-magnetic field only
Last Answer : B. both electric and magnetic fields
Description : The waves associated with electric and magnetic fields, resulting from the acceleration of an electric charge are called
Last Answer : electromagnetic waves.
Description : The electric and magnetic fields vary with time in which of the following fields? a) DC b) AC c) Static d) It does not vary with time
Last Answer : b) AC
Description : The phase shift in the electric and magnetic fields in an EM wave is given by which parameter? a) phase constant b) attenuation constant c) propagation constant d) intrinsic impedance
Last Answer : d) intrinsic impedance
Description : In good conductors, the electric and magnetic fields will be a) 45 in phase b) 45 out of phase c) 90 in phase d) 90 out of phase
Last Answer : b) 45 out of phase
Description : In electric fields, D= ε E. The correct expression which is analogous in magnetic fields will be a) H = μ B b) B = μ H c) A = μ B d) H = μ A
Last Answer : b) B = μ H
Description : Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up ... electric fields induce the changing magnetic fields in the surrounding medium (D) None of these
Last Answer : Answer: Option D
Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy
Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.
Description : Force acting on two point masses is directly proportional to A. sum of masses B. difference of masses C. distance between masses D. product of masses
Last Answer : sum of masses
Description : According to Newton's law of universal gravitation, any two particles of finite mass attract one another with a force which is A. Inversely proportional to the product of their masses and ... the product of their masses and inversely proportional to the square of their distance apart
Last Answer : Directly proportional to the product of their masses and inversely proportional to the square of their distance apart
Description : The expression F⃗ = qE⃗⃗ + q(v⃗ × B⃗⃗) represents _________ force a) Maxwell b) Gravitational c) Magnetic d) Lorentz
Last Answer : d) Lorentz
Description : How do magnetic fields around connected conductive materials take shape?
Last Answer : I think that while the current supplied by the wire is flowing through the metal balls they will generate a magnetic field in the same way a field surrounds a wire with electricity flowing through it. ... that in the same way it passes between atoms in a wire their magnetism will not repel them.
Description : Michael Faraday was known by his work on: (a) Electric force (b) Weak nuclear force (c) Strong nuclear force (d) Gravitational force
Last Answer : (a) Electric force
Description : The whole question did not fit into my assignment .. I would be grateful if you could help me. What is the intensity of the electric field at a distance of 30 Cm and a point of charge 3x10na -6 C. How much force will act on the particle carrying the elementary charge?
Last Answer : Need Answer
Description : Whenever there is force on magnetic pole, there exists A. magnetic field B. electric field C. current D. voltage
Last Answer : electric field