Question

A potential difference of 25 v is applied across a conductor of resistance 100 ohm's. Find the current through the conductor

Answer 1

Answer:

V=25v

R= 100ohm

I=?

R=V/I

I=VR

=25×100

=2500A

Answer 2

The current flowing through the conductor is 0.25A.

A potential difference of 25V is applied across a conductor of resistance 100Ω.

We have to find the current through the conductor.

Ohm's law, It states that the current through a conductor is directly proportional to the potential difference under same all physical conditions and temperature.

i.e., I ∝ V

⇒ V = kI

here, k is nothing but resistance. i.e., R

Resistance is the hindrance to flow the current through a conductor.

⇒ V = IR

Here, potential difference, V = 25V

Resistance of the conductor, R = 100Ω

∴ I = 25/100 = 0.25A

Therefore the current flowing through the conductor is 0.25A.

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