Description : What is the order of magnitude of electric resistance of the human body (dry) ? -Do You Know?
Last Answer : answer:
Description : The resistance of the human body (dry condition) is of the order of – (1) 10¹ Ohm (2) 10² Ohm (3) 10³ Ohm (4) 10⁴ Ohm
Last Answer : Explanation: The level of current passing through the human body is directly related to the resistance of its path. through the body. Under dry conditions, the resistance offered by the human body may be as high as 100,000 Ohms.
Description : The Resistance of Human body (dry condition) is the order of –
Last Answer : 103 ohm
Description : Which of the following statements are TRUE for damped vibrations? (P) . For a system having critical damping, the value of the damping ratio is unity and system does not undergo a vibratory motion. (Q) . Logarithmic decrement method ... Q only (B) P and S only (C) P, Q and R only (D) Q and S only
Last Answer : (C) P, Q and R only
Description : Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They excert
Last Answer : Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They ... other D. Neither attract nor repel each other
Description : The magnitude of saturation photo electric current depends upon (a) Frequency (b) Intensity (c) Work function (d) Stopping potential
Last Answer : Ans:(b)
Description : What should be the type of source of electric current to get electric current of constant magnitude?
Last Answer : Direct current
Description : Find the magnitude of the displacement current density in air at a frequency of 18GHz in frequency domain. Take electric field E as 4 units. a) 18 b) 72 c) 36 d) 4
Last Answer : d) 4
Description : The electrostatic energy in an electric field does not depend on which of the following? a) Magnitude of charges b) Permittivity c) Applied electric field d) Flux lines
Last Answer : c) Applied electric field
Description : The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.
Last Answer : ANSWER: Z -- LESS THAN THE ELECTRON'S CHARGE.
Description : According to Gauss' Law, the magnitude of the electric field is zero everywhere inside a conductor if: w) electrostatic equilibrium is achieved x) the surface is a metal y) the conductor is moving z) the conductor is a non-Gaussian surface
Last Answer : ANSWER: W -- ELECTROSTATIC EQUILIBRIUM IS ACHIEVED
Description : Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside the capacitor?
Last Answer : ANSWER: 250 VOLTS PER METER or 250 NEWTONS PER COULOMB
Description : In the arrangement shown, the magnitude of each resistance is `1Omega`. The equivalent resistance between O and A is given by
Last Answer : In the arrangement shown, the magnitude of each resistance is `1Omega`. The equivalent resistance between O and A is ... )/(3)Omega` D. `(5)/(6)Omega`
Description : The true power indicated by a wattmeter depends on the current flow through the load, the magnitude of the potential across the load, and the _____________. A. power factor of the load B. angle of coil displacement C. inertia of the movable coil D. high resistance from the load
Last Answer : Answer: A
Description : The true power indicated by the pointer movement of a wattmeter depends on the current flow through the load, the magnitude of the potential across the load, and the ____________. A. power factor of the ... B. angle of coil displacement C. inertia of the movable coil D. high resistance from the load
Description : Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their (A) Molecular sizes (B) Magnitude of intermolecular forces (C) Resistance to heat (D) Polymerisation mechanism
Last Answer : (B) Magnitude of intermolecular forces
Description : Magnitude of induced e.m.f is proportional to A. rate of change of current B. rate of change of voltage C. rate of change of magnetic flux linkage D. rate of change of resistance
Last Answer : rate of change of magnetic flux linkage
Description : What order of magnitude is 1e4?
Last Answer : 10,000. Try Googling 1*(10^4)
Description : The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing ... 's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem
Last Answer : c. Law of polygon of forces
Description : Arrange in descending order of magnitude : -Maths 9th
Last Answer : The given surds are of order 3,6 and 9 respectively . The L.C.M. of 3,6 and 9 is 18 . Reducing each surd to a surd of order 18.
Description : Arrange the ratios `3:4,5:6,1:2 and 19:15` in their increasing order of magnitude.
Last Answer : Arrange the ratios `3:4,5:6,1:2 and 19:15` in their increasing order of magnitude.
Description : Arrange the ratios ` 4 : 5, 6 : 7, 2 : 3 and 10 : 11 ` in the increasing order of their magnitude.
Last Answer : Arrange the ratios ` 4 : 5, 6 : 7, 2 : 3 and 10 : 11 ` in the increasing order of their magnitude.
Description : The Earth’s radius is 6371 km. The order of magnitude of the Earth’s radius is
Last Answer : The Earth’s radius is 6371 km. The order of magnitude of the Earth’s radius is (A) 103 m (B) 109 m (C) 107 m (D) 102 m
Description : What is the Order of magnitude of 150?
Last Answer : Need answer
Description : Complete the following statement. The method of incorporating change into project planning and execution processes is called the: Select one: a. project logic diagram. b. change management process. c. milestone schedule d. critical path e. rough order of magnitude
Last Answer : b. change management process.
Description : Fill in the blank. Risk represents the likelihood that an event will happen during the life of the project that will negatively affect the ________________ of project goals. Select one: a. scope creep b. achievement c. float d. rough order of magnitude e. slack
Last Answer : b. achievement
Description : The conceptual estimate is developed with the least amount of knowledge. When more information is known, the project team can develop a: Select one: a. work breakdown structure b. critical estimate c. rough order of magnitude (ROM) estimate d. scope of work e. ballpark estimate
Last Answer : c. rough order of magnitude (ROM) estimate
Description : A project budget estimate that is developed with the least amount of knowledge is known as which of the following? Select one: a. Rough order of magnitude (ROM) estimate b. Scope of work estimate c. Conceptual estimate d. Line estimate e. Milestone schedule estimate
Last Answer : c. Conceptual estimate
Description : Which type of project cost estimate is the most accurate? 1. Preliminary 2. Definitive 3. Order of magnitude 4. Conceptual
Last Answer : 2. Definitive
Description : The order of magnitude of the principal stresses is a. Firstly σ 1 >σ 2 >σ 3 b. Secondly σ 2 >σ 3 >σ 1 c. Thirdly σ 1 >σ 3 >σ 2 d. None
Last Answer : a. Firstly σ 1 >σ 2 >σ 3
Description : The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10 -6m2 /s). (A) 24000 (B) 24 (C) 0.24(D) 0.44
Last Answer : (D) 0.44
Description : According to law of triangle of forces (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side ... point are in equilibrium, each force is proportional to the sine of the angle between the other two
Last Answer : (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
Description : Which is the correct statement about law of polygon of forces? (A) If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the ... direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium
Last Answer : (D) If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium
Description : According to Lami's theorem (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to ... point are in equilibrium, each force is proportional to the sine of the angle between the other two
Last Answer : Answer: Option D
Description : For an annual flood series arranged in descending order of magnitude, the return for a magnitude in a total is (A) N/(m + l) (B) m/(N + l) (C) m/N (D) (N + l)/m
Description : For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the damping ratio (δ) is (a) 0.1 (d) 0.5 (c) 0.707 (d) 1
Last Answer : For a 2nd order feedback control system, the peak resonance magnitude should be Mp ≤ 1.15. Hence the damping ratio (δ) is 0.5
Description : If three non-parallel forces hold a rigid body in equilibrium, they must a.be non-coneurrent b.be colinear c.107 dynes d.be equal in magnitude e.be concurrent
Last Answer : e. be concurrent
Description : If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by – (1) 2 times (2) 4 times (3) 8 times (4) 16 times
Last Answer : (2) 4 times
Description : In a body under pure shear, the magnitude and nature of the two principal stresses are a. Firstly Equals shear stress, opposite nature b. Secondly Equals shear stress, same nature c. Both (a) & (b) d. None
Last Answer : a. Firstly Equals shear stress, opposite nature
Description : Effect of a force on a body depends upon (A) Magnitude (B) Direction (C) Position or line of action (D) All of the above
Last Answer : (D) All of the above
Description : Archimedes principle states that a. when a body is inversed in a fluid, the fluid exerts a downward force on the body whose magnitude is equal to the weight of the displaced fluid b. ... fluid exerts a downward force on the body whose magnitude is lower than the weight of the displaced fluid.
Last Answer : when a body is inversed in a fluid, the fluid exerts a upward force on the body whose magnitude is equal to the weight of the displaced fluid.
Description : A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.
Last Answer : ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION
Description : At time t=0, a body has a velocity of 5 meters per second, EASTWARD; at time t=2 seconds, its velocity is 7 meters per second WESTWARD. What is the MAGNITUDE of the body's average acceleration?
Last Answer : ANSWER: 6 METERS PER SECOND SQUARED
Description : If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by (1) 2 times (2) 4 times (3) 8 times (4) 16 times
Last Answer : 4 times
Description : A bird sitting on a high tension electric wire does not get electrocuted because – (1) it has high resistance (2) the body is earthed (3) it does not form a closed path for the flow of current (4) its feet are good insulators
Last Answer : (3) it does not form a closed path for the flow of current Explanation: Electricity travels from a place of high voltage to low voltage, just as water travels from high elevation to low ... When electricity travels through a body in this fashion, electrocution takes place, and the bird can die.
Description : A bird sitting on a high tension electric wire does not get electrocuted because (1) it has high resistance (2) the body is earthed (3) it does not form a closed path for the flow of current (4) its feet are good insulators
Last Answer : it does not form a closed path for the flow of current