Question

Two resistors 2 and 4 ohm in series to a cell od emf 8v and internal resistance 2 ohm . Calculate the effective resistance and current in the circuits

Answer 1

Answer:

1. hi my name is hjkggjhj
2. $.3x)jgd \beta ee \infty \binom{}{?}$

Answer 2

Answer:

20J

Explanation:

Given,

R1= 2 ohm

R2= 4 ohm

V = 6v

Now, equivalent resistance in series

R = R1+ R2

R = 2 + 4

R = 6 ohm

And, A/c to ohm's law

V = IR

6 = I×6

I = 6/6

I = 1A

Now, A/q heat displaced in 5 second by 4 ohm resistor is,

H = I×I×R×t

= 1×1×4×5

= 20 J