0
Add your answer:
Earn +20 pts
Can capacitors charge on an open circuit?
No. Capacitors need current to charge or discharge. In an open circuit, current is impossible, so they will stay at the last known charge, depending on the amount of leakage current.
What current is flowing if 0.67 c of charge pass a point in 0.30s?
Current = charge / time....so 0.67 c / 0.30 s = 2.23 A
To define current why do you use the term net charge crossing a plane?
We use the term net charge to define current due to unbalanced charges that flow.
Can you have current without voltage?
Sure - an unconnected power supply of any kind - a battery is + at one end and - at the other.
What is an electical current?
Electric current is simply the flow of free electrons in a conductor. It is usually defined as the rate of charge flow, because the free electrons represent an electric charge.
A current of 4 amperes flows for 2 seconds How much charge is transferred?
The charge in this case is simply the current multiplied by the time.The charge in this case is simply the current multiplied by the time.The charge in this case is simply the current multiplied by the time.The charge in this case is simply the current multiplied by the time.
How long does it take a current of 5 milliAmpere to deliver 15 coulomb of charge?
To calculate the time taken, use the formula Q = I*t, where Q is the charge, I is the current, and t is the time. Rearranging the formula gives t = Q/I. Plugging in the values (15 C for Q and 5 mA for I), you get t = 15 C / 5 mA = 3000 seconds = 50 minutes.
Calculate the current where 10 coulombs of charge pass a point in 5 seconds?
Current = charge/time = 10/5 = 2 amperes
How do you calculate charge flow?
Charge flow can be calculated by multiplying the current (in amperes) by the time (in seconds) for which the current flows. The formula is Q = I * t, where Q is the charge flow in coulombs, I is the current in amperes, and t is the time in seconds.
what is the charge of X in XC2H3O2?
If you know the electric current, the flow of electric charge through an object, traveling through a circuit and how long the current is applied, you can calculate electrical charge using the equation for current Q = It in which Q is the total charge measured in coulombs, I is current in amps, and t is time that the ..
How many coulombs of charge pass through a cell if 2.40 amperes of current are passed through the cell for 85.o minutes?
To calculate the total charge passing through the cell, use the formula Q = I * t, where Q is the charge in coulombs, I is the current in amperes, and t is the time in seconds. First, convert 85.0 minutes to seconds: 85.0 minutes * 60 seconds/minute = 5100 seconds. Then, plug in the values: Q = 2.40 amperes * 5100 seconds = 12240 coulombs.
How long it take a current of 10mA of deleiver 30c of charge?
To calculate the time it takes to deliver 30 coulombs of charge with a current of 10mA, you can use the formula: time = charge / current. Plugging in the values, you get time = 30 C / 0.01 A = 3000 seconds. Therefore, it would take a current of 10mA 3000 seconds to deliver 30 coulombs of charge.
Is KCL a restatement of the law of charge?
No, Kirchhoff's Current Law (KCL) is a fundamental law in electrical engineering that states that the total current entering a node is equal to the total current leaving the node. It is not a restatement of the law of charge conservation, which states that electric charge cannot be created or destroyed, only transferred from one form to another.
How does current exist?
Current is the flow of electric charge, typically carried by free electrons in a conductor. When a voltage is applied across a circuit, the electrons move in response to the electric field, creating an electric current. This flow of charge allows electrical energy to be transferred and utilized in various devices.
KCL is a restatement of the law of conservation of charge?
Kirchhoff's Current Law (KCL) is a fundamental principle in electrical circuit theory stating that the total current entering a node in a circuit is equal to the total current leaving the node. It is based on the law of conservation of charge, which states that charge can neither be created nor destroyed, only transferred.
How do you calculate electric currents?
Electric current (in amperes) is calculated by dividing the electrical charge (in coulombs) by the time taken (in seconds) for the charge to pass through a given point in a circuit. The formula is I = Q / t, where I is the current, Q is the charge, and t is the time.
The potential difference supplied by the battery is 4.5 VCalculate the total energy transferred in 300s?
energy transferred = charge x potential difference.
