Question

If 5v potential difference is across a resistance of 25ohms in a circuit calculate current in circuit

Answer 1

V=IR
V=5 (GIVEN)
R=25(GIVEN)

THEREFORE,
I=V/R
=5/25
=1/5
=0.2A

Answer 2

V = I x R    [by ohm's law]

Given, V = 5v,

           R = 25 ohms

            I = ?

I = $\frac{V}{R}$

I = $\frac{5}{25}$

I = $\frac{1}{5}$

I = 0.2 amperes

I = 0.2A

Therefore, a current of 0.2 amperes if flowing through the circuit

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