Would make you re-open your notes........

Electricity and Magnetism Level 2

The given circuit consists of two ideal batteries each having emf (E)=10 volts and internal resistance (r) =0. what will be the potential difference between two points a and b (Vab)?

Kirchoff's law wont help.........


The answer is 10.

Ayush Gupta by Ayush Gupta , 26, India

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2 solutions

Avineil Jain
Mar 15, 2014

The Batteries are connected with opposite polarities! Wrong question!

1 Helpful 0 Interesting 0 Brilliant 0 Confused

I agree with u

Arijit Banerjee - 7 years, 3 months ago

No Question can be wrong .....only answer might be wrong

Ayush Gupta - 7 years, 2 months ago

In a parallel combination, the voltage is equal in all the parallel arms (as stated) and the total voltage of the circuit is the voltage of one of the arms... Hence, Vab = 10V

0 Helpful 0 Interesting 0 Brilliant 0 Confused

hey polarity is diff how can u say it will b 10V?

Arijit Banerjee - 7 years, 3 months ago

wrong question the circuit will get short

madhav gupta - 6 years, 9 months ago

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