Question

If two resistors of 10 ohm and 15 ohm are connected in series then the equivalent resistance will be

Answer 1

Answer:

ANSWER

In series combination current through all the resistor is same

Potential drop across 15Ω resistor =3V

3=i×15⇒

i=

5

1

A

Potential drop across 10Ω resistor =10×

5

1

=2V

Emf of cell =i(Req)=

5

1

(10+15+20)=

5

45

=9v