Choose the BEST answer to the following: The metal detectors people walk through at airports operate via (a) Ohm’s law. (b) Faraday’s law. (c) Coulomb’s law. (d) Newton’s laws.

Question

Choose the BEST answer to the following:

The metal detectors people walk through at airports operate via

(a) Ohm’s law.

(b) Faraday’s law.

(c) Coulomb’s law.

(d) Newton’s laws.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Electromagnetic Induction

Related Physics Q&A

Find answers to questions asked by students like you.

Q: What is the value of the electric field .3 m from a square piece of metal which is 1.5 km x 2 km and...

A: The area of the metal piece is

Q: An electron is released from rest in a uniform electric field of magnitude 3.51 ✕ 104 N/C. Calculate...

A: Let m be the mass of the electron, q be the charge on electron, E be the electric field, a be the ac...

Q: Please do parts all the parts and help me please by providing the work, I attached the 2 parts in se...

A: Click to see the answer

Q: What is power? Give expression of power related to energy and time.

A: While doing some work , there will be a conversion or transferring of energy. Thus, power depends ma...

Q: Choose the BEST answer to the following: Bow waves are produced by waves of water (a) overlapping on...

A: A bow wave is a wave propagated through fluids such as water and air. It is produced as a result of ...

Q: Choose the BEST answer to the following: In the proportion E ~  f, the f  stands for the (a) frequen...

A: We are assuming that E is energy. The energy of a photon of light is given by,

Q: A jet airplane travelling at the speed of 500 km h-1 ejects its products of combustion at the speed ...

A: Given

Q: What microscopic property of an ideal gas doubles when the absolute temperature is doubled?

A: Step 1From the kinetic theory of gases, the average kinetic energy of an ideal gas iswhere k is the ...

Q: Compute the fractional change in volume of a glass slab, when subjected to a hydraulic pressure of 3...

A: Click to see the answer

Q: Given a sample of 1cm3 of hydrogen and 1cm3 of oxygen both at NTP. Which sample has large number of ...

A: Avogadro hypothesis says that under similar conditions of temperature and pressure volume of all gas...

Q: Consider the following 3 pieces of the motion for a block that is initially at rest on a floor. (1) ...

A: Click to see the answer

Q: Choose the BEST answer to the following: Thermal conduction mainly involves (a) electrons. (b) proto...

A: Step 1Metals such as steel, copper and aluminum are excellent thermal conductors.

Q: Choose the BEST answer to the following: When a diver points a flashlight upward toward the surface ...

A: Answer: bi,e passes into the air above.

Q: Obtain equations of motion for constant acceleration using method of calculus.

A: Acceleration is defined as the rate of change of velocity.

Q: Consider the following 3 pieces of the motion for a block that is initially at rest on a floor. (1) ...

A: The block 1 is initially at rest. But the block is still at rest while the hand is pushing the block...

Q: A clock is constructed so that it keeps perfect time when its simple pendulum has a period of exactl...

A: When the time period of a simple pendulum increases then the clock starts running slow. The loss of ...

Q: Choose the BEST answer to the following: Compared with the sound you hear from the siren of a statio...

A: The Doppler effect is the change in the frequency of the wave in relative to the motion of the sourc...

Q: What is the momentum of an 20kg bowling ball rolling at speed of 5m/s?

A: Given information:The mass of the ball (m) = 20 kgVelocity of the ball (v) = 5 m/s

Q: Consider the following 3 pieces of the motion for a block that is initially at rest on a floor. (1) ...

A: The free body diagram for each cases,

Q: Choose the BEST answer to the following: When you buy a pipe in a hardware store, the water isn’t in...

A: All materials, including metals, semiconductors, and insulators are composed of electrons i.e. the n...

Q: Please do parts all the parts and help me please by providing the work, I attached the 2 parts in se...

A: The height of the summit of a mountain from the base camp,

Q: Tension force has units of ________. Check all that apply 1kg 2m/s 3N 4m/s2 5kg m/s2 6Tes...

A: Click to see the answer

Q: The temperature of a gas sample is increased. Why does its pressure increase?

A: The ldeal gas law is given by

Q: If q1 is located at x = 8m, where on the x-axis should q2 be located such that the two-point charges...

A: Click to see the answer

Q: What is unified atomic mass unit? Explain.

A: Unified mass unit is defined as the 1/12 th of the mass of Carbon-12 atom. the symbol for unified ma...

Q: A copper wire of length 2.2 m and a steel wire of length 1.6 m, both ofdiameter 3.0 mm, are connecte...

A: Given:

Q: Four identical hollow cylindrical columns of mild steel support a big structure of mass 50,000 kg. T...

A: Click to see the answer

Q: Consider the tow truck shown in the figure. If the tensional force in the cable is 1000 N and if the...

A: The vertical component of the force that lifts the car off the ground will be equal to the sine comp...

Q: Choose the BEST answer to the following: Shock waves are produced by waves of sound (a) overlapping ...

A: In Doppler effect the speed of source is smaller than the speed waves it produces. But if the source...

Q: A ball is thrown horizontally from the roof of a building 7.9 mm tall and lands 9.9 mm from the base...

A: Click to see the answer

Q: Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four...

A: Write the expression for resultant of the four displacement vectors

Q: Calculate the number of molecules in each cubic metre of a gas at 1atm and 27 degree C.

A: The ldeal gas law is given by

Q: Choose the best answer to the following: A completely submerged object always displaces its own (a) ...

A: Answer: ai,e weight of the fluid.

Q: Choose the BEST answer to the following: A real image can be cast on a screen by a (a) converging le...

A: A real image is formed when the light rays converge at a point whereas a virtual image is formed as ...

Q: CO2 and planetary warming: understanding Earth’s complicated atmosphere Mars has an atmospheric pres...

A: The reasons for which the mars is cooler than the earth is discussed below: 

Q: what is elasticity?

A: Click to see the answer

Q: Pick the best answer for the following: tension force _____________. 1pulls along a rope. 2pulls...

A: Click to see the answer

Q: A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance...

A: The expression for the covered distance is,

Q: Which of the following is the most precise device for measuring length :(a) a vernier callipers with...

A: The device that has minimum least count will be more precise for measuring length.(a)Least count of ...

Q: Astrology, that unlikely and vague pseudoscience, makes much of the position of the planets at the m...

A: a)the gravitational force is,

Q: What is the temperature when all molecular motion ceases?

A: Kelvin scale is defined as a temperature scale whose zero point is absolute zero where the entropy b...

Q: Hello! Could you please help me with this problem? thank you! :) have a great day!

A: The expression for the angle between the vectors is,

Q: Find the resultant.

A: The vectors arrangement is given as,

Q: A SONAR (sound navigation and ranging) uses ultrasonic waves to detect and locate objects under wate...

A: SONAR is a device used to detect and locate objects under water using ultrasonic waves. The speed of...

Q: State Dulong and Petit 's law.

A: The Dulong and Petit’s law enunciate that the product of the mass per ole of a solid element and the...

Q: A student draws the free body diagram shown below. Based on this diagram, the net force on the objec...

A: Length of the vectors gives magnitude. Along the vertical direction, the length of vectors represent...

Q: How much charge flows from each terminal of a 16.0 V battery when it is connected to a 5.60 x10-6 F ...

A: Write the expression for charge amount of charge flowing from each terminal of the battery connected...

Q: Choose the BEST answer to the following: A capacitor can store (a) charge. (b) energy. (c) Both of t...

A: By definition, a capacitor is an electrical device that consists of a pair of conducting parallel pl...

Q: Choose the BEST answer to the following: When you breathe on your hand, the temperature of the exhal...

A: When we blow with wide-opened mouth then warm air comes out but as we narrow down our mouth, then ai...