Question

A current of 200mA flows through a 4komega resistor. what is the P.d. across it.​

Answer 1

$\sf\small\underline\purple{Given:-}$

Current(I) = 200 mA or 200 × 10^-3

Resistance(r) = 4k ohms or 4 × 10^3

Potential difference =?

$\sf\small\underline\purple{We \: know:-}$

Ohm's law:

V = IR

V = 200 × 10^-3 × 4 × 10^3

V = 800 volts

$\sf\small\underline\purple{Note:-}$

Hence potential difference across the resistor = 800 volts.

Answer 2

Answer:

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