Description : A Zwitter ion is one which has in aqueous solution: (A) One positive charge and one negative charge (B) Two positive charges and one negative charge (C) Two negative charges and one positive charge (D) No electrical charges at all
Last Answer : Answer : A
Description : What do you call energy from separation of positive and negative charges?
Last Answer : Need answer
Description : What is a positive or negative charges particle?
Last Answer : sex is postive charge in the atom
Description : What do you call the particle with more positive charges than negative charges?
Last Answer : This would be called a CATION.
Description : When there is an equal amount of positive and negative charges on an object what is the net charge of the object?
Last Answer : Feel Free to Answer
Description : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive charge (D) All amino acids contain negatively charged side chains
Description : The isoelectric point of a protein is (a) the pH at which the protein molecule has no charges on its surface. (b) the pH at which a protein in solution has an equal number of positive and negative charges. (c) the electric charge under isothermal conditions. (b) None of these
Last Answer : the pH at which a protein in solution has an equal number of positive and negative charges
Description : The conventional current is due to the flow of a. atoms and molecules b. positive charges c. negative charges d. both b and c
Last Answer : b. positive charges
Description : In liquids and gases the current is due to the motion a. negative charges b. positive charges c. both negative and positive charges d. neutral particles
Last Answer : c. both negative and positive charges
Description : The true statement about solutions of amino acids at physiological pH is (A) All amino acids contain both positive and negative charges (B) All amino acids contain positively charged side chains ... amino acids contain only positive Charge (D) All amino acids contain negatively charged side chains
Last Answer : (A) All amino acids contain both positive and negative charges
Description : Electrical force exerted by two point charges on each other is inversely proportional to A. sum of their charges B. product of their charges C. distance between them D. square of distance between them
Last Answer : square of distance between them
Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body
Last Answer : (4) outer surface of the body Explanation: In all conductors, charges reside on the surface. The reason for this is that conductors have free electrons, that is, the electrons are loosely ... field just, outside the conductor is perpendicular to the surface and that the field inside is zero.
Last Answer : outer surface of the body
Description : Two negative point charges are 2 meters apart and repel each other with a force of 2 newtons. When the distance between the charges is doubled, the force between them is w) one fourth as great x) one half as great y) twice as great z) four times as great
Last Answer : ANSWER: W -- ONE FOURTH AS GREAT
Description : What has a form of energy that can produce heat light magnetism and electrical charges?
Last Answer : if you mean to have commas between heat, light, magnetism, andelectrical charges then there is none. if heat light magnetism isall one thing then you're on your own.
Description : _______ is a method of storing data bits using magnetic charges instead of the electrical charges used by DRAM. A. VRAM B. WRAM C. MRAM D. None of the above
Last Answer : C. MRAM Magneto resistive RAM
Description : Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.
Last Answer : attraction of their protoplasts
Description : Can the electric field between two positive charges be zero?
Last Answer : It can only if they have equal charges.
Description : Who showed that the very small nucleus in the center of the atom has positive charges ?
Last Answer : Rutherford showed that the very small nucleus in the center of the atom has positive charges.
Description : When did Rutherford show that the very small nucleus in the center of the atom has positive charges ?
Last Answer : In 1911 Rutherford showed that the very small nucleus in the center of the atom has positive charges.
Description : Do the positive charges of calcium ions and sodium ions make these ions more likely to move into or out of the cell?
Description : A good conductor while carrying current is - (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : (2) negatively charged Explanation: Electrons carry current in a good conductor of electricity and they are negatively charged. This makes a good electrical conductor negatively charged.
Description : The focal length of a plane mirror is (1) Positive (2) Negative (3) Zero (4) Infinity
Last Answer : (4) Infinity Explanation: A plane mirror is a mirror with a flat reflective surface. The focal length of a plane mirror is infinity. Its optical power is zero.
Description : Gravitational potential is always A. infinite B. zero C. positive D. negative
Last Answer : negative
Description : If direction of current is from positive to negative, then it is called A. electronic current B. conventional current only C. positronic current D. protonic current
Last Answer : conventional current only
Description : In frequency modulation, amplitude of modulated wave is A. positive B. negative C. constant D. zero
Last Answer : constant
Description : If frequency of modulated wave is less than frequency of carrier wave, then input signal is A. negative B. positive C. zero D. infinite
Description : Speed is unchanged because work done on an object is A. zero B. positive C. negative D. infinite
Last Answer : zero
Description : Area under current-time graph represents A. magnitude of charge B. dielectric C. amount of positive charge D. amount of negative charge
Last Answer : magnitude of charge
Description : If the plates of capacitor are oppositely charged then the total charge is equal to A. negative B. positive C. zero D. infinite
Description : If we have a positive and a negative charge, then force between them is A. positive B. negative C. zero D. infinite
Last Answer : . negative
Description : Gravitational potential is always A. positive B. negative C. zero D. infinity
Description : If the gradient of a graph is negative, then the acceleration is A. positive B. negative C. zero D. 1
Description : For an electromagnetic wave traveling in a vacuum, if the magnitude of the intensity of the E field is zero, the magnitude of the intensity of the B field is: w) zero x) a negative maximum y) a positive maximum z) the square root of 2 times the positive maximum
Last Answer : ANSWER: W -- ZERO
Description : A P-type semiconductor is doped to produce one of the following. Will it produce: w) both holes and electrons x) positive electrons y) negative electrons z) holes
Last Answer : ANSWER: Z -- HOLES
Description : The Millikan experiment showed that electric charge was: w) negative x) quantized y) positive z) unmeasurable
Last Answer : ANSWER: X -- QUANTIZED
Description : A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero
Last Answer : ANSWER: W -- CONSTANT
Description : The work done by a friction force is: w) always positive x) always negative y) always zero z) either positive or negative depending upon the situation.
Last Answer : ANSWER: X -- ALWAYS NEGATIVE
Description : A good conductor while carrying current is (1) alternately charged positive and negative (2) negatively charged (3) positively charged (4) electrically neutral
Last Answer : negatively charged
Description : What kinds of energy does a toaster convert electrical energy?
Last Answer : Mostly heat, and a little bit of light.A lot like an incandescent light bulb.
Description : What kinds of foods should people with positive type o blood eat?
Last Answer : People with Type O blood should focus their diets on consuming protein rich foods. This includes meat and nuts. They should avoid foods such as dairy and carbohydrates.
Description : Which of the following statements is true about stress management A. Stress management is learning about the connection between mind and body B. Stress management helps us control our health in a positive sense C. ... management teaches us to avoid all kinds of stress D. Only A' & B' are right
Last Answer : D. Only ‘A’ & ‘B’ are right
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 : At a point halfway between two identical point charges, the electric field is equal to: w) zero x) half its maximum value y) its maximum value z) pointing away from the two charges
Description : The force acting between two point charges can be computed using which of the following laws? w) Ohm's Law x) Ampere's Law y) Coulomb's Law z) Newton's Second Law.
Last Answer : ANSWER: Y -- COULOMB'S LAW
Description : How many types of charges and what are they ?
Last Answer : 2 types of charges. Namely: (1) Positive Charge ( 2) Negative Charge
Description : The rate of transfer of charges through a circuit is called? (1) Potential Difference (2) Resistance (3) Current (4) Energy
Last Answer : (3) Current Explanation: The rate of transfer of charges through a circuit is called Current. An electric current is the rate of flow of electric charge past a point or region. An electric current is said to exist when there is a net flow of electric charge through a region.