1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ozzi
3 years ago
12

An RC circuit is connected across an ideal DC voltage source through an open switch. The switch is closed at time t = 0 s. Which

of the following statements regarding the circuit are correct?
a) The capacitor charges to its maximum value in one time constant and the current is zero at that time.
b) The potential difference across the resistor and the potential difference across the capacitor are always equal.
c) The potential difference across the resistor is always greater than the potential difference across the capacitor.
d) The potential difference across the capacitor is always greater than the potential difference across the resistor
e) Once the capacitor is essentially fully charged, There is no appreciable current in the circuit.
Physics
1 answer:
steposvetlana [31]3 years ago
5 0

Answer:

e)

Explanation:

In an RC series circuit, at any time, the sum of the voltages through the resistor and the capacitor must be constant and equal to the voltage of the DC voltage source, in order to be compliant with KVL.

At= 0, as the voltage through the capacitor can't change instantaneously, all the voltage appears through the resistor, which means that a current flows, that begins to charge the capacitor, up to a point that the voltage through the capacitor is exactly equal to the DC voltage, so no current flows in the circuit anymore, and the charge in the capacitor reaches to its maximum value.

You might be interested in
A series circuit has a current of 3 A. The circuit contains a 12 resistor. What is the voltage of the circuit?
muminat

Answer:

36 volts

If the circuit has a current of 3 amps, and a 12 ohm resistor.

12 x 3 = 36volts

6 0
3 years ago
Read 2 more answers
Which statement is true about vectors?
lora16 [44]

Vectors need direction and magnitude to exist, otherwise, it becomes scalars that do not require direction to be expressed.

eg - Velocity is a vector as it needs direction, but speed is scalar and does not need direction

hope this helps

5 0
3 years ago
Read 2 more answers
Which component that makes up the bulk of all galaxies?
vovangra [49]

Answer:

C and D

Explanation:

Galaxies are composed of stars, dust and dark matter, all held together by gravity. Astronomers aren't certain exactly how galaxies formed. After the Big Bang, space was made up almost entirely of hydrogen and helium.

5 0
3 years ago
Read 2 more answers
What is meant by specific latent heat of fussion​
Lunna [17]

Answer:

Boiling point of water is 100 deg C. It takes about 540 cal to change 1 g of water at the boiling point to 1 g of steam at 100 deg C.

5 0
2 years ago
Two identical trucks, having the same mass, are traveling down a long straight flat road at constant speeds. However, Truck A ha
denis-greek [22]

Answer:

Momentum

Explanation:

Truck A has a greater momentum compared to Truck B.

Momentum is the product of mass and velocity of a body;

     Momentum = mass x velocity

We see that the body with more mass and velocity will have a higher momentum.

Since the two bodies have the same mass, and the speed A is greater, then A will have a greater momentum.

4 0
4 years ago
Other questions:
  • A student wants to demonstrate entropy using the songs on her portable music player. What should she do to demonstrate the lowes
    9·1 answer
  • If the wavelength of orange light is 6 · 10-7 m, calculate its frequency. f = _______ Hz
    14·1 answer
  • A people-moving conveyor-belt moves a 600-newton person a distance of 100 meters through the airport.
    10·1 answer
  • During a chemical reaction, increasing the temperature often
    9·1 answer
  • A spring with a spring constant of 120 J/m2 is fixed to a wall, free to oscillate. On the other end, a ball with a mass of 1500
    15·1 answer
  • Pretty Easy question please answer only 20 minutes left:
    13·1 answer
  • A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round with a mass of 300 kg is spinning at
    6·1 answer
  • Between which two planets is the gravitational attraction the weakest?
    11·2 answers
  • An object that has the ability to do work has __________ energy.
    7·2 answers
  • A tennis ball and a solid steel ball of the same diameter are dropped at the same time. Ignoring the air resistance effects, whi
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!