30 Answered Questions for the topic Circuits

01/21/21

#### Need help with someone who can help me create Truth Table with this Circuit

Hi I need help with my logic circuits, can you view the link https://ibb.co/PYbTcn8 for the picture of the logic circuit I made and help me create a completed Truth Table? Thank you!
Circuits Physics

08/01/20

#### What is the voltage drop across R1?

What is the voltage drop across R1 if a series circuit has a battery with an emf of 1.5 V and an internal resistance of 3.0 Ω R2 is 8.0 Ω R3 is 6.0 Ω Also, how do I calculate the terminal voltage... more
Circuits Physics

08/01/20

#### What is the resistance of R3 and the current of the circuit if this is series?

The voltage provided by the battery is 100 V and the resistance of R1 is 20 Ω, the resistance of R2 is 60 Ω, and the voltage drop across R1 is 10 V.
Circuits Physics

07/31/20

#### A radio operates by means of a 9.0-V battery that supplies it with a 50.0-mA current

A radio operates by means of a 9.0-V battery that supplies it with a 50.0-mA currenta)If the cost of the battery is \$2.49 and it lasts for 300.0 h, what is the cost per kWh to operate the radio in... more
Circuits Physics Physics 11

07/31/20

#### In the Circuit below the voltmeter V draws negligible current and the internal resistance of the battery is 1.0 ohm

In the Circuit below the voltmeter V draws negligible current and the internal resistance of the battery is 1.0 ohm Please show work! Sorry I could not paste the diagram. v=12.0, there are also 3.0... more
Circuits Physics Electricity

10/30/19

#### Two resistors have resistances R1 and R2. When the resistors are connected in series to a 12.0-V battery, the current from the battery is 2.00 A.

Two resistors have resistances R1 and R2. When the resistors areconnected in series to a 12.0-V battery, the current from the battery is2.00 A. When the resistors are connected in parallel to the... more
Circuits Physics

11/28/18

#### Value of the 2nd capacitor

A 7.7µF capacitor is charged by a 125 V battery and then disconnected from the battery. When the charged capacitor (C1) is then placed in a circuit with a second, initially uncharged capacitor C2,... more
Circuits

04/14/18

#### how much energy does a 56 ohm light use in 8.1 minutes when hooked up to a 120 V outlet?

I am confused on what steps to take and how to solve this problem.  how much energy does a 56 ohm light use in 8.1 minutes when hooked up to a 120 V outlet?
Circuits

01/14/18

#### find the potential difference when the current is 0.2 amps and the resistance is 30

i just need help finding the andswer to this question could ypu help

03/17/17

#### Capacitors in Combination-Find Each Charge

C1 and C2 are capacitors in parallel. C3 is in series with C12. C1=16.6 microF, C2=8.2 microF, C3=0.3 microF. A 1.52 V battery is connected in this combination. Find the charge stored on each... more

10/30/16

#### effect of current on resistance in series

effect of current on resistance in series graphical explaination
Circuits Power

10/01/16

#### time elapsed in an LR circuit

An LR circuit having time constant of 50 ms is connected with an ideal battery of emf E . prove that the time elapsed before the power dissipated in heat reaches half its maximum value is 61ms
Circuits

07/11/16

#### graph of V and R

A cell of emf E having an internal resistance r is connected to an external resistance R . The potential difference V across the resistance R varies with R as shown in figure by which... more
Circuits

07/11/16

#### total heat produced in capacitance

In the given circuit , all the capacitor are initially uncharged . After closing the switch S1 for a long time suddenly S2 is also closed for a long time . Then show that total heat produced after... more
Circuits

07/11/16

In the given circuit the ammeter A1 and A2 are ideal and ammeter A3 has a resistance 1.9 x 10-3 . Then show that reading from ammeter are 82/27 , 34/27 & 0 respectively .    The circuit is on... more
Circuits

07/10/16

#### rate at which energy is delivered in a rc circuit

A 3 mega ohm resistor and an uncharged 10^(-6) F capacitor are connected in a single loop circuit with a constant source of 4 volt . Show that at one second after the connection is made , the rate... more
Circuits Physics Current

06/05/16

#### New Current..?

A resistor is placed in a circuit. The current in the circuit is 2 amperes and the voltage drop across the resistor is 8 volts. The voltage is then increased to 12 volts. What will be the new... more

05/23/16

#### Current in a resistor? Resistance?

a. What is the current in a 40.0 Ω resistor that has a voltage drop of 14.0 V across it?b. What is the equivalent resistance of a 3.0 Ω resistor, a 6.0 Ω resistor, and a 4.0 Ω resistor connected in... more
Circuits Physics Parallel

05/12/16

#### Parallel Circuits pt. 2

How would a parallel circuit impact four identical light bulbs that were plaed in parallel with a six-volt battery?   Explain what would happen please.
Circuits Physics Parallel

05/12/16

#### Modeling Parallel Circuits

How would a parallel cicuit impact four identical light bulbs that are placed in parallel?   Short but brief paragraph explaining why please.
Circuits Physics Electricity

05/04/16

#### Physics Question: Generating Electricity

Electrical appliances plug into the wall with a single plug, but a plug has at least two prongs (sometimes there is a third one, but the minimum is two). Why do you think that this is the case?... more

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