Question

1.The electric field at a distance of 2 mm from a test charge is _____the field...

1.The electric field at a distance of 2 mm from a test charge is _____the field at a distance of 4 mm
a. The same as
b twice as strong as
c four times as strong as
d 1/4 as strong as
e have as strong ass

2. an electrical field contains two charges ANB. If the charges are doubled to be to a N to be, what would happen to the force on charge a?
a The same as
b twice as strong as
c four times as strong as
d 1/4 as strong as
e Half as strong as

3. The electric Field force midway between two equal positive charges
a is twice as strong as the field of one charge alone
b is half as strong as field of one charge alone
c is zero

4 if you come your hair in the comb becomes negatively charged, your hair becomes____ charged because___
a. negatively/it loses electrons
b. negatively/it gains protons
c. positively/it loses electrons
d. positively/ it loses protons

5. which of the following is true about electric field lines?
a lines begin on positive charge an end on negative
b Lines are close together where the field is strong
c The direction of the electric force on a charge and tangent to the field line
d all these statements are true

6. which of the following best describes a series circuit
a. a circuit in which voltage remains the same across each resistor
b. A circuit in which the current will change after each resistor
c. A circuit in which current splits in two different wires
d. A circuit in which the voltage will change after each resistor

6. fuses are used to
a. decrease the voltage in a circuit
b. Control the direction of flow
c. decrease the current in a circuit
d. Break when current is exceeded its limit

Homework Answers

Answer #1

rate plz

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Do charges released from rest always move along electric field lines; i.e., does the charge stay...
Do charges released from rest always move along electric field lines; i.e., does the charge stay on the E field line at which it started? b) Based on your answer to a), would charges released with an initial velocity always move along electric field lines? c) Using kinematic quantities like position, velocity, and acceleration as well as the concept of a force to describe the general character of the motion of a [+] charge in motion near a single [+]...
Which of the following statements are true about properties of electric charge? Select all that apply....
Which of the following statements are true about properties of electric charge? Select all that apply. a) If two objects have the same magnitude of charge, the electric field lines that qualitatively describe the electric field of each object will be identical. b)A charged object will always exert a force on another charged object. c)An electron has a smaller magnitude of charge than a proton. d)Positive charges are repelled by negative charges. e)If an object is neutral, it means that...
1. (a) What kind of motion(s) does an electric charge undergo in a uniform electric field?...
1. (a) What kind of motion(s) does an electric charge undergo in a uniform electric field? Con- sider the possibilities; (launched from rest, launched with velocity along the field, launched with velocity against the field, launched with velocity perpendicular to the field, & launched with velocity components both against and perpendicular to the field.) (b) What kind of motion(s) does a charged particle undergo in a magnetic field? Consider the possibilities; (launched from rest, launched with velocity purely perpendicular to...
1. In zero gravity, a uniform electric field along the x axis produces a force of...
1. In zero gravity, a uniform electric field along the x axis produces a force of -9.89 mN on a particle with a mass of 0.00356 kg and a charge of -11.5 µC. a) What is the magnitude and direction of electric field? b) How fast does the particle accelerate and in what direction? c) If the capacitor has square plates measuring 1.25 cm on each side, how much charge is required to produce the electric field? 2. Two resistors...
In zero gravity, a uniform electric field along the x axis produces a force of -9.89...
In zero gravity, a uniform electric field along the x axis produces a force of -9.89 mN on a particle with a mass of 0.00356 kg and a charge of -11.5 μC. a) What is the magnitude and direction of electric field? b) How fast does the particle accelerate and in what direction? c) If the capacitor has square plates measuring 1.25 cm on each side, how much charge is required to produce the electric field? Two resistors are placed...
6. In zero gravity, a uniform electric field along the x axis produces a force of...
6. In zero gravity, a uniform electric field along the x axis produces a force of -9.89 mN on a particle with a mass of 0.00356 kg and a charge of -11.5 μC. a) What is the magnitude and direction of electric field? b) How fast does the particle accelerate and in what direction? c) If the capacitor has square plates measuring 1.25 cm on each side, how much charge is required to produce the electric field? 7. Two resistors...
In a constant uniform electric field, a particle with charge −100 ?? is moved from the...
In a constant uniform electric field, a particle with charge −100 ?? is moved from the origin a distance ? = 0.80 ? straight in the direction of the electric field lines. The field has a strength of 5.0 ? ? . a) What is the voltage difference between the initial and final position? b) How much work is done to move the charge? c) Does the charge gain or lose electrical potential energy in the process of this move?...
The field lines of a positive charge will always point away from the charge. False True...
The field lines of a positive charge will always point away from the charge. False True It depends on the mass of the charge The atomic number comes from which subatomic particle(s)? Neutrons Protons Electrons Either answer b or c Isotones will be the same element, just a different version of that element? False True It depends on the atomic mass By removing electrons, one will have performed what process? Ionization Conservation of charge Coulomb’s Law Newton’s Laws of Motion...
The direction of the magnetic force on an electron moving through a magnetic field is the...
The direction of the magnetic force on an electron moving through a magnetic field is the same as the direction of the vector formed by taking the cross product of the velocity with the magnetic field (v x B).            True/ False The magnetic field is also referred to as the magnetic flux _____________ [one word]. Consider a particle moving through a magnetic field. If the magnetic field doubles and the velocity of the particle halves, the magnetic force will:...
Please provide a brief overview on: chapter 21 1. Can I obtain the net electric field...
Please provide a brief overview on: chapter 21 1. Can I obtain the net electric field due to two or more point charges? 2. Can I obtain the net Coulomb force on a point charge due to two or more point charges? 3. Can I draw physical quantities (for example, velocity, forces or electric fields) involved in a given problem in a diagram? 4. Do I have a good "qualitative" understanding of the motion of a charged particle in a...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT