ZuoTi.Pro
Question

A battery with an emf of 12 V and an internal resistance of 1Ω is used...

A battery with an emf of 12 V and an internal resistance of 1Ω is used to charge a
battery with an emf of 10 V and an internal resistance of 1 Ω.The current in the circuit
is:


science   physics   
1 1
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

✔ Recommended Answer
Answer #1

You have a 12 volt battery and a 10 volt battery both with an internal resistance of 1 ohm. So you have,

E1 - E2 - R1 - R2 = 0 (where E is emf and R is internal resistance)

12v - 10v -1ohm - 1ohm = 0

2v -2ohm = 0

2v = 2ohm (current is v/ohm so divde 2v by 2ohm)

2v/2ohm = 1 Amp

0 0
Add a comment
Know the answer?
Add Answer to:
A battery with an emf of 12 V and an internal resistance of 1Ω is used...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Similar Homework Help Questions

  • A real battery with internal resistance 0.550 Ω and emf 9.00 V is used to charge...

    A real battery with internal resistance 0.550 Ω and emf 9.00 V is used to charge a 54.0-µF capacitor. A 15.0-Ω resistor is put in series with the battery and the capacitor when charging. (a) What is the time constant for this circuit? _______s (b) What is the time when the capacitor has reached half its maximum charge? _______s (c) What is the current through the capacitor at this time? _______A

  • A car battery with a 12 V emf and an internal resistance of 0.097 Ω is...

    A car battery with a 12 V emf and an internal resistance of 0.097 Ω is being charged with a current of 47 A. What are (a) the potential difference across the terminals, (b) the rate Prof energy dissipation inside the battery and (c) the rate Pemf of energy conversion to chemical form? When the battery is used to supply 47 A to the starter motor, what are (d) V and (e) Pr?

  • A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its...

    A battery has an emf of 12.0 V and an internal resistance of 0.210 Q. Its terminals are connected to a load resistance of 3.00 . Circuit diagram of a source of emf (in this case, a battery), of internal resistance r, connected to an external resistor of resistance R. for ning R (a) Find the current in the circuit and the terminal voltage of the battery. SOLUTION Conceptualize Study the figure, which shows a circuit consistent with the problem...

  • 12. A non-ideal battery with an emf of 5.00 V and internal resistance of 20.0 ...

    12. A non-ideal battery with an emf of 5.00 V and internal resistance of 20.0  is connected to a 330  resistor. What current will flow through the 330  resistor?

  • A battery has an emf of 12.0 V and an internal resistance of 0.050 0. Its terminals are connected to a load resistance of 3.00 V.

    A battery has an emf of 12.0 V and an internal resistance of 0.050 0. Its terminals are connected to a load resistance of 3.00 V.  (A) Find the current in the circuit and the terminal voltage of the battery(B) Calculate the power delivered to the load resistor, the power delivered to the internal resistance of the battery, and the power delivered by the battery

  • A battery with an emf of 3.00 V has an internal resistance r. When connected to...

    A battery with an emf of 3.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 2.90 V and the current is 0.16 A. 1. What is the value of the external resistor R? 2. What is the internal resistance r of the battery? 3. What is the energy dissipated in the battery's internal resistance in 1.6 minutes? 4. When a second identical battery is added in series and the external resistor is...

  • A battery with an emf of 12.00 V has an internal resistance r.When connected to...

    A battery with an emf of 12.00 V has an internal resistance r. When connected to a resistor R, the terminal voltage is 11.70 V and the current is 0.20 A.A) What is the value of the external resistor R?B) What is the internal resistance r of the battery?C) What is the energy dissipated in the battery's internal resistance in 3.7 minutes?D) When a second identical battery is added in series and the external resistor is R = 28 Ohms...

  • (a) A car battery with 12 V emf and internal resistance 0.05 is supplying a current...

    (a) A car battery with 12 V emf and internal resistance 0.05 is supplying a current of 50 A to the starter motor. Calculate the terminal voltage across its terminals of the motor? At what rate energy is dissipated in the battery? (3 marks) (b) Alisha is afraid of darkness and so sleeps with a 7.5W night light bulb on. She turns it on before getting in bed and tums it off 8 hours later. Determine the annual (365 days)...

  • please answer! Part A Terminal Voltage and Internal Resistance: A battery has an emf 8 -...

    please answer! Part A Terminal Voltage and Internal Resistance: A battery has an emf 8 - 12 V and an internal resistance r = 2.0, as shown in the figure. When a current of 6.0 A is drawn from the battery, the terminal voltage of the battery Vab is closest to a b ε' r +12 V. OV. 24 V 2.0 V 10 V. Submit Bequest Answer

  • A car battery has an emf of 12.0 V and an internal resistance of 0.20 Ω....

    A car battery has an emf of 12.0 V and an internal resistance of 0.20 Ω. While the car is running, the resistance of the rest of the car (the “load” resistance) is 1.00 Ω. What is the current through the battery? What is the terminal voltage of the battery? What is the power delivered to the rest of the car? What is the power dissipated as heat by the internal resistance of the battery?

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT