Which of the following can have positive or negative charge? A. Electron B. Iron C. Hole D. Neutron. 

1 Answer

Answer :

Iron can have positive or negative charge.

Related questions

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 : Isoelectric pH of an amino acid is that pH at which it has a (A) Positive charge (B) Negative charge (C) Nil net charge (D) None of these

Last Answer : Answer : C

Description : Isoelectric pH of an amino acid is that pH at which it has a (A) Positive charge (B) Negative charge (C) No charge (D) None of these

Last Answer : Answer : C

Description : A hexa peptide with 5 aspartic acid would have a net charge at pH 7: (A) Neutral (B) Positive (C) Negative (D) Not predictable

Last Answer : Answer : C

Description : Isoelectric pH of an amino acid is that pH at which it has a (A) Positive charge (B) Negative charge (C) No net charge (D) All of these

Last Answer : Answer : C

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 : 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 : Answer : A

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

Last Answer : zero

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 : During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge? (a) First positive, then negative and continue ... and again back to positive (d) First negative, then positive and again back to negative.

Last Answer : (d) First negative, then positive and again back to negative.

Description : Electron-withdrawing groups are meta directors because : (a) the carbonium ion intermediate has a negative charge on the meta position. (b) the more stable resonance hybrid occurs with meta ... the electrophile. (d) the carbonium ion intermediate has a positive charge on the meta position

Last Answer : the more stable resonance hybrid occurs with meta attachment of the electrophile.

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 compound methylamine, H3C–NH2, contains a C–N bond. In this bond, which of the following best describes the charge on the nitrogen atom? (a) slightly positive (b) uncharged (c) slightly negative (d) –1

Last Answer : slightly negative

Description : The cathode in an electrochemical cell always carries (A) Negative charge (B) Positive charge (C) Zero charge (D) Positive or negative charge depending upon the nature of the cell

Last Answer : (A) Negative charge

Description : An electron moves into the electrostatic field between a positive charge and a negative charge. Toward which charge will the electron move?

Last Answer : Toward the positive charge.

Description : An electron moves into the electrostatic field between a positive charge and a negative charge. Toward which charge will the electron move?

Last Answer : Toward the positive charge.

Description : A substance contains: (a) Only positive charge (b) Only negative charge (c) Both +ve and −ve charge (d) None of above

Last Answer : (c) Both +ve and −ve charge

Description : When a semiconductor is doped with a P-type impurity, each impurity atom will (A) acquire negative charge. (B) acquire positive charge. (C) remain electrically neutral. (D) give away one electron.

Last Answer : (A) acquire negative charge.

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 : The Millikan experiment showed that electric charge was: w) negative x) quantized y) positive z) unmeasurable

Last Answer : ANSWER: X -- QUANTIZED

Description : Alpha rays are different from beta rays in one of the following ways. Are they different since: w) alpha rays are deflected in a magnetic field and beta rays are not x) alpha rays are ... negative charge z) alpha rays are produced within the nucleus and beta rays are produced outside the nucleus 

Last Answer : ANSWER: Y -- ALPHA RAYS HAVE A POSITIVE CHARGE AND BETA RAYS HAVE A NEGATIVE CHARGE

Description : Compare positive and negative feedback.

Last Answer : Sr. No. Parameter Positive feedback  Negative feedback 1 BW Increases Decreases 2 Feedback signal In phase with the input signal. 180 º out of phase ... impedance increases decreases 9 Uses Oscillators, Schmitt trigger Amplifiers, bootstrapping

Description :  advantages of negative feedback over positive feedback.

Last Answer : Advantages of negative feedback over positive feedback: 1. Higher fidelity i.e. more linear operation. 2. Highly stabilized gain. 3. Increased bandwidth i.e. improved frequency response. 4. Less ... . 8. Input and output impedance can be modified as desired. 9. Less frequency distortion.

Description : Does conventional current return to the positive or negative terminal of the voltage source? 

Last Answer : Dear shimroz123, Conventional current flowing form positive terminals to negative terminals Sincerely  Masjed Gul Popal  EEE

Description : Is electron flow out from the positive or negative terminal of the voltage source? 

Last Answer : Electrons flow from negative terminal of battery which is the area of higher density electrons to positive terminal of battery which is the area of lower density of electrons. 

Description : Write advantages and disadvantages of positive and negative feedback.

Last Answer : Advantages of Positive Feedback: i) Voltage gain increases. ii) No phase shift is provided. iii) Feedback signal and input signal are in phase. iv) Input and Output voltage increases.  ... ii) Feedback signal and input signal are out of phase. iii) Input and Output voltage decreases.

Description : Differentiate between positive and negative feedback.

Last Answer : PARAMETER POSITIVE FEEDBACK NEGATIVE FEEDBACK Overall phase shift 0° or 360° 180° Feedback and input signal Are in phase Are out of phase Input signal ... Increases Input impedance Decreases Increases Output impedance Increases Decreases

Description : Define negative and positive feedback

Last Answer : 1. Negative feedback: Feedback in which feedback signal is out of phase with input signal and it decreases output is called negative feedback.  2. Positive feedback: Feedback in which feedback signal is in phase with input signal and it increases output is called positive feedback. 

Description : Susceptibility of a diamagnetic material is 1. Negative 2. Positive 3. Dependent on the temperature 4. Independent of the temperature  Select the correct answer using the codes given below : (a) 1 and 3 only (b) 2 and 3 only (c) 1 and 4 only (d) 2 and 4 only

Last Answer : Susceptibility of a diamagnetic material is 1. Negative 2. Positive 3. Dependent on the temperature 4. Independent of the temperature  Select the correct answer using the codes given below : (a) 1 and 3 only (b) 2 and 3 only (c) 1 and 4 only (d) 2 and 4 only

Description : Is an anode positive or negative?

Last Answer : The anode is positively charged electrode.

Description : A soap bubble is given negative charge then what happen in its radius? -General Knowledge

Last Answer : The answer is 'Increases'

Description : A soap bubble is given negative charge then what happen in its radius? -General Knowledge

Last Answer : answer:

Description : What do I mean by negative charge ?

Last Answer : Negative charge refers to the excess of electrons.

Description : Arsenic sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol?

Last Answer : Arsenic sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in ... )_(3)` D. `Na_(3)PO_(4)`

Description : What happens to the mass of an object when it receives a negative charge?

Last Answer : Need answer

Description : What are the subatomic particles that are found outside of the nucleus and carry a negative charge?

Last Answer : electrons are the subatomic particles that are found outside ofthe nucleus and carry a negative charge

Description : Which particles have a negative charge?

Last Answer : Electron

Description : Why a cat becomes negative charge when it is brushed.how does the electric charge on the brush compare to the charge on the cat?

Last Answer : Because they become negative

Description : A soap bubble is given negative charge then what happen in its radius?

Last Answer : Increases

Description : Two small diameter 10gm dielectric balls can slide freely on a vertical channel. Each carry a negative charge of 1μC. Find the separation between the balls if the lower ball is restrained from moving. a) 0.5 b) 0.4 c) 0.3 d) 0.2

Last Answer : c) 0.3

Description : Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this ... tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.

Last Answer : a more stable carbonium ion is generated.

Description : How is a negative charge created in a neutral body?

Last Answer : Through the accumulation of excess electrons.

Description : At a point directly east of a negative point charge, the electric field points in what direction?

Last Answer : ANSWER: WEST

Description : An element has the following numbers of electrons in its shells: 2-8-8-2. Which of the following is true? The element: w) is a nonmetal x) forms an ion with a charge of +2 y) can accept two electrons z) forms a negative ion

Last Answer : ANSWER: X -- FORMS AN ION WITH A CHARGE OF +2

Description : In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the ... its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom

Last Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS

Description : For a negative point charge, the electric field vectors: w) circle the charge x) point radially in toward the charge y) point radially away from the charge z) cross at infinity

Last Answer : ANSWER: X -- POINT RADIALLY IN TOWARD THE CHARGE

Description : Conduction band electrons have more mobility than holes because they (1) are lighter (2) experience collision less frequently (3) have negative charge (4) need less energy to move them

Last Answer :  experience collision less frequently