Question

a current of 200milliampere pass through a 4 ohm resistor find the potential difference​

Answer 1

Answer:

Given'

Current(I) = 200 mA or 200 × 10^-3

Resistance(r) = 4k ohms or 4 × 10^3

Potential difference =?

We know,

Ohm's law:

V = IR

V = 200 × 10^-3 × 4 × 10^3

V = 800 volts

Hence potential difference across the resistor = 800 volts

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