Question

please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please help​

Answer 1

1)

In 6 ohm resistance,

I = V/R = 12/6

= 2 A

We know that in series connection Current is always same in all resistances.

Therefore in resistance R,

R = VI = 6 × 2

= 12 ohm

2) Reading in ammeter =

I = V/R

= 6/12 = 0.5 A

Equivalent resistance= 12 ohm+ 6 ohm =18 ohm

3) V = IR = 0.5 × R(eq) = 1/2 × 18

= 9 V

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