Two small circuit questions

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In summary, The first circuit can be simplified by using the parallel combination of R2 and R3 since R1 has a voltage of 0. The role of R1 in the circuit is not specified. For the second circuit, a current source provides 6A and it is unclear if every other component in the circuit also has 6A.
  • #1
princejan7
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Homework Statement



http://postimg.org/image/dd3s2edih/

Is it possible to simplify the first circuit?
And for the second circuit, does every other component in the circuit have 6A?

Homework Equations





The Attempt at a Solution

 
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  • #2
princejan7 said:

Homework Statement



http://postimg.org/image/dd3s2edih/

Is it possible to simplify the first circuit?
And for the second circuit, does every other component in the circuit have 6A?

Homework Equations



The Attempt at a Solution

The first circuit can be simplified.

There's not nearly enough information given here.

You should give a complete statement regarding the problem(s) you're trying to solve.

Also, you need to make an attempt at a solution.

attachment.php?attachmentid=68911&stc=1&d=1398129755.png
 

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  • #3
SammyS said:
The first circuit can be simplified.

There's not nearly enough information given here.

You should give a complete statement regarding the problem(s) you're trying to solve.

Also, you need to make an attempt at a solution.

attachment.php?attachmentid=68911&stc=1&d=1398129755.png

For the first, is the equivalent resistance the parallel combination of R2 and R3 since the voltage of R1 is 0? Does R1 get used at all?

And for the second, I forgot to include that the circle with an arrow inside is a current source providing 6A
 

1. What is a circuit?

A circuit is a closed loop through which electric current can flow. It is made up of various components such as resistors, capacitors, and transistors, and is used to control and manipulate the flow of electricity.

2. What is the difference between a series circuit and a parallel circuit?

A series circuit is a circuit in which the components are connected one after the other, forming a single pathway for the current to flow. In a parallel circuit, the components are connected in multiple branches, allowing the current to flow through each branch simultaneously.

3. How does a capacitor work in a circuit?

A capacitor stores electrical energy in the form of an electric field. When connected in a circuit, it can store charge and then release it back into the circuit. This allows it to act as a temporary source of power or to smooth out fluctuations in the current.

4. What is the purpose of a resistor in a circuit?

A resistor is used to control the flow of electric current in a circuit. It resists the flow of electricity, which can be useful in limiting the amount of current reaching a certain part of the circuit or in creating voltage drops.

5. What is a transistor and how is it used in a circuit?

A transistor is a semiconductor device that can amplify or switch electronic signals. It is commonly used in circuits as a switch or an amplifier, and is a key component in many electronic devices such as computers and televisions.

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