kbowman1712 kbowman1712
  • 03-07-2019
  • Physics
contestada

A battery with an emf of 12 V and an internal resistance of 1 Ω is used to charge a battery with an emfof 10 V and an internal resistance of 1 Ω. The current in the circuit is : A) 2 A B) 1 A C) 4A D) 11A E) 22 A

Respuesta :

Vespertilio Vespertilio
  • 08-07-2019

Answer:

Option B

Explanation:

The net emf in the circuit

E = 12 - 10 = 2 V

Total effective resistance,

r = 1 + 1 = 2 ohm

By using Ohm's law

E = I × R

I = 2 / 2 = 1 A

Answer Link

Otras preguntas

make a SHORT poem on bamboo​
Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges for each minute of cal
Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but charges for each minute of cal
what is meant by SARS tax obligations?​
What type of organization is divided into departments that serve a variety of needs,like emergency care, surgical care, labor and delivery etc what is it?
If the mean is greater than the median, then the longer tail of the distribution is on the _________.
How do decomposers and plants cycle nutrients in soil?
What is the answer can u help me thank u
10,000,000+10,000,000
How would you teach scientific notation?